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How to Write an APA Methods Section | With Examples

Published on February 5, 2021 by Pritha Bhandari . Revised on June 22, 2023.

The methods section of an APA style paper is where you report in detail how you performed your study. Research papers in the social and natural sciences often follow APA style. This article focuses on reporting quantitative research methods .

In your APA methods section, you should report enough information to understand and replicate your study, including detailed information on the sample , measures, and procedures used.

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Table of contents

Structuring an apa methods section.

Participants

Example of an APA methods section

Other interesting articles, frequently asked questions about writing an apa methods section.

The main heading of “Methods” should be centered, boldfaced, and capitalized. Subheadings within this section are left-aligned, boldfaced, and in title case. You can also add lower level headings within these subsections, as long as they follow APA heading styles .

To structure your methods section, you can use the subheadings of “Participants,” “Materials,” and “Procedures.” These headings are not mandatory—aim to organize your methods section using subheadings that make sense for your specific study.

Note that not all of these topics will necessarily be relevant for your study. For example, if you didn’t need to consider outlier removal or ways of assigning participants to different conditions, you don’t have to report these steps.

The APA also provides specific reporting guidelines for different types of research design. These tell you exactly what you need to report for longitudinal designs , replication studies, experimental designs , and so on. If your study uses a combination design, consult APA guidelines for mixed methods studies.

Detailed descriptions of procedures that don’t fit into your main text can be placed in supplemental materials (for example, the exact instructions and tasks given to participants, the full analytical strategy including software code, or additional figures and tables).

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Begin the methods section by reporting sample characteristics, sampling procedures, and the sample size.

Participant or subject characteristics

When discussing people who participate in research, descriptive terms like “participants,” “subjects” and “respondents” can be used. For non-human animal research, “subjects” is more appropriate.

Specify all relevant demographic characteristics of your participants. This may include their age, sex, ethnic or racial group, gender identity, education level, and socioeconomic status. Depending on your study topic, other characteristics like educational or immigration status or language preference may also be relevant.

Be sure to report these characteristics as precisely as possible. This helps the reader understand how far your results may be generalized to other people.

The APA guidelines emphasize writing about participants using bias-free language , so it’s necessary to use inclusive and appropriate terms.

Sampling procedures

Outline how the participants were selected and all inclusion and exclusion criteria applied. Appropriately identify the sampling procedure used. For example, you should only label a sample as random  if you had access to every member of the relevant population.

Of all the people invited to participate in your study, note the percentage that actually did (if you have this data). Additionally, report whether participants were self-selected, either by themselves or by their institutions (e.g., schools may submit student data for research purposes).

Identify any compensation (e.g., course credits or money) that was provided to participants, and mention any institutional review board approvals and ethical standards followed.

Sample size and power

Detail the sample size (per condition) and statistical power that you hoped to achieve, as well as any analyses you performed to determine these numbers.

It’s important to show that your study had enough statistical power to find effects if there were any to be found.

Additionally, state whether your final sample differed from the intended sample. Your interpretations of the study outcomes should be based only on your final sample rather than your intended sample.

Write up the tools and techniques that you used to measure relevant variables. Be as thorough as possible for a complete picture of your techniques.

Primary and secondary measures

Define the primary and secondary outcome measures that will help you answer your primary and secondary research questions.

Specify all instruments used in gathering these measurements and the construct that they measure. These instruments may include hardware, software, or tests, scales, and inventories.

• To cite hardware, indicate the model number and manufacturer.
• To cite common software (e.g., Qualtrics), state the full name along with the version number or the website URL .
• To cite tests, scales or inventories, reference its manual or the article it was published in. It’s also helpful to state the number of items and provide one or two example items.

Make sure to report the settings of (e.g., screen resolution) any specialized apparatus used.

For each instrument used, report measures of the following:

• Reliability : how consistently the method measures something, in terms of internal consistency or test-retest reliability.
• Validity : how precisely the method measures something, in terms of construct validity  or criterion validity .

Giving an example item or two for tests, questionnaires , and interviews is also helpful.

Describe any covariates—these are any additional variables that may explain or predict the outcomes.

Quality of measurements

Review all methods you used to assure the quality of your measurements.

These may include:

• training researchers to collect data reliably,
• using multiple people to assess (e.g., observe or code) the data,
• translation and back-translation of research materials,
• using pilot studies to test your materials on unrelated samples.

For data that’s subjectively coded (for example, classifying open-ended responses), report interrater reliability scores. This tells the reader how similarly each response was rated by multiple raters.

Report all of the procedures applied for administering the study, processing the data, and for planned data analyses.

Data collection methods and research design

Data collection methods refers to the general mode of the instruments: surveys, interviews, observations, focus groups, neuroimaging, cognitive tests, and so on. Summarize exactly how you collected the necessary data.

Describe all procedures you applied in administering surveys, tests, physical recordings, or imaging devices, with enough detail so that someone else can replicate your techniques. If your procedures are very complicated and require long descriptions (e.g., in neuroimaging studies), place these details in supplementary materials.

To report research design, note your overall framework for data collection and analysis. State whether you used an experimental, quasi-experimental, descriptive (observational), correlational, and/or longitudinal design. Also note whether a between-subjects or a within-subjects design was used.

For multi-group studies, report the following design and procedural details as well:

• how participants were assigned to different conditions (e.g., randomization),
• instructions given to the participants in each group,
• interventions for each group,
• the setting and length of each session(s).

Describe whether any masking was used to hide the condition assignment (e.g., placebo or medication condition) from participants or research administrators. Using masking in a multi-group study ensures internal validity by reducing research bias . Explain how this masking was applied and whether its effectiveness was assessed.

Participants were randomly assigned to a control or experimental condition. The survey was administered using Qualtrics (https://www.qualtrics.com). To begin, all participants were given the AAI and a demographics questionnaire to complete, followed by an unrelated filler task. In the control condition , participants completed a short general knowledge test immediately after the filler task. In the experimental condition, participants were asked to visualize themselves taking the test for 3 minutes before they actually did. For more details on the exact instructions and tasks given, see supplementary materials.

Data diagnostics

Outline all steps taken to scrutinize or process the data after collection.

This includes the following:

• Procedures for identifying and removing outliers
• Data transformations to normalize distributions
• Compensation strategies for overcoming missing values

To ensure high validity, you should provide enough detail for your reader to understand how and why you processed or transformed your raw data in these specific ways.

Analytic strategies

The methods section is also where you describe your statistical analysis procedures, but not their outcomes. Their outcomes are reported in the results section.

These procedures should be stated for all primary, secondary, and exploratory hypotheses. While primary and secondary hypotheses are based on a theoretical framework or past studies, exploratory hypotheses are guided by the data you’ve just collected.

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This annotated example reports methods for a descriptive correlational survey on the relationship between religiosity and trust in science in the US. Hover over each part for explanation of what is included.

The sample included 879 adults aged between 18 and 28. More than half of the participants were women (56%), and all participants had completed at least 12 years of education. Ethics approval was obtained from the university board before recruitment began. Participants were recruited online through Amazon Mechanical Turk (MTurk; www.mturk.com). We selected for a geographically diverse sample within the Midwest of the US through an initial screening survey. Participants were paid USD $5 upon completion of the study.

A sample size of at least 783 was deemed necessary for detecting a correlation coefficient of ±.1, with a power level of 80% and a significance level of .05, using a sample size calculator (www.sample-size.net/correlation-sample-size/).

The primary outcome measures were the levels of religiosity and trust in science. Religiosity refers to involvement and belief in religious traditions, while trust in science represents confidence in scientists and scientific research outcomes. The secondary outcome measures were gender and parental education levels of participants and whether these characteristics predicted religiosity levels.

Religiosity

Religiosity was measured using the Centrality of Religiosity scale (Huber, 2003). The Likert scale is made up of 15 questions with five subscales of ideology, experience, intellect, public practice, and private practice. An example item is “How often do you experience situations in which you have the feeling that God or something divine intervenes in your life?” Participants were asked to indicate frequency of occurrence by selecting a response ranging from 1 (very often) to 5 (never). The internal consistency of the instrument is .83 (Huber & Huber, 2012).

Trust in Science

Trust in science was assessed using the General Trust in Science index (McCright, Dentzman, Charters & Dietz, 2013). Four Likert scale items were assessed on a scale from 1 (completely distrust) to 5 (completely trust). An example question asks “How much do you distrust or trust scientists to create knowledge that is unbiased and accurate?” Internal consistency was .8.

Potential participants were invited to participate in the survey online using Qualtrics (www.qualtrics.com). The survey consisted of multiple choice questions regarding demographic characteristics, the Centrality of Religiosity scale, an unrelated filler anagram task, and finally the General Trust in Science index. The filler task was included to avoid priming or demand characteristics, and an attention check was embedded within the religiosity scale. For full instructions and details of tasks, see supplementary materials.

For this correlational study , we assessed our primary hypothesis of a relationship between religiosity and trust in science using Pearson moment correlation coefficient. The statistical significance of the correlation coefficient was assessed using a t test. To test our secondary hypothesis of parental education levels and gender as predictors of religiosity, multiple linear regression analysis was used.

If you want to know more about statistics , methodology , or research bias , make sure to check out some of our other articles with explanations and examples.

• Normal distribution
• Measures of central tendency
• Chi square tests
• Confidence interval
• Quartiles & Quantiles

Methodology

• Cluster sampling
• Stratified sampling
• Thematic analysis
• Cohort study
• Peer review
• Ethnography

Research bias

• Implicit bias
• Cognitive bias
• Conformity bias
• Hawthorne effect
• Availability heuristic
• Attrition bias
• Social desirability bias

In your APA methods section , you should report detailed information on the participants, materials, and procedures used.

• Describe all relevant participant or subject characteristics, the sampling procedures used and the sample size and power .
• Define all primary and secondary measures and discuss the quality of measurements.
• Specify the data collection methods, the research design and data analysis strategy, including any steps taken to transform the data and statistical analyses.

You should report methods using the past tense , even if you haven’t completed your study at the time of writing. That’s because the methods section is intended to describe completed actions or research.

In a scientific paper, the methodology always comes after the introduction and before the results , discussion and conclusion . The same basic structure also applies to a thesis, dissertation , or research proposal .

Depending on the length and type of document, you might also include a literature review or theoretical framework before the methodology.

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How to Write the Methods Section of a Research Paper

Writing a research paper is both an art and a skill, and knowing how to write the methods section of a research paper is the first crucial step in mastering scientific writing. If, like the majority of early career researchers, you believe that the methods section is the simplest to write and needs little in the way of careful consideration or thought, this article will help you understand it is not 1 .

We have all probably asked our supervisors, coworkers, or search engines “ how to write a methods section of a research paper ” at some point in our scientific careers, so you are not alone if that’s how you ended up here.  Even for seasoned researchers, selecting what to include in the methods section from a wealth of experimental information can occasionally be a source of distress and perplexity.   

Additionally, journal specifications, in some cases, may make it more of a requirement rather than a choice to provide a selective yet descriptive account of the experimental procedure. Hence, knowing these nuances of how to write the methods section of a research paper is critical to its success. The methods section of the research paper is not supposed to be a detailed heavy, dull section that some researchers tend to write; rather, it should be the central component of the study that justifies the validity and reliability of the research.

Are you still unsure of how the methods section of a research paper forms the basis of every investigation? Consider the last article you read but ignore the methods section and concentrate on the other parts of the paper . Now think whether you could repeat the study and be sure of the credibility of the findings despite knowing the literature review and even having the data in front of you. You have the answer!   

Having established the importance of the methods section , the next question is how to write the methods section of a research paper that unifies the overall study. The purpose of the methods section , which was earlier called as Materials and Methods , is to describe how the authors went about answering the “research question” at hand. Here, the objective is to tell a coherent story that gives a detailed account of how the study was conducted, the rationale behind specific experimental procedures, the experimental setup, objects (variables) involved, the research protocol employed, tools utilized to measure, calculations and measurements, and the analysis of the collected data 2 .

In this article, we will take a deep dive into this topic and provide a detailed overview of how to write the methods section of a research paper . For the sake of clarity, we have separated the subject into various sections with corresponding subheadings.  

Table of Contents

What is the methods section of a research paper ?  

The methods section is a fundamental section of any paper since it typically discusses the ‘ what ’, ‘ how ’, ‘ which ’, and ‘ why ’ of the study, which is necessary to arrive at the final conclusions. In a research article, the introduction, which serves to set the foundation for comprehending the background and results is usually followed by the methods section, which precedes the result and discussion sections. The methods section must explicitly state what was done, how it was done, which equipment, tools and techniques were utilized, how were the measurements/calculations taken, and why specific research protocols, software, and analytical methods were employed.  

Why is the methods section important?  

The primary goal of the methods section is to provide pertinent details about the experimental approach so that the reader may put the results in perspective and, if necessary, replicate the findings 3 .  This section offers readers the chance to evaluate the reliability and validity of any study. In short, it also serves as the study’s blueprint, assisting researchers who might be unsure about any other portion in establishing the study’s context and validity. The methods plays a rather crucial role in determining the fate of the article; an incomplete and unreliable methods section can frequently result in early rejections and may lead to numerous rounds of modifications during the publication process. This means that the reviewers also often use methods section to assess the reliability and validity of the research protocol and the data analysis employed to address the research topic. In other words, the purpose of the methods section is to demonstrate the research acumen and subject-matter expertise of the author(s) in their field.  

Structure of methods section of a research paper  

Similar to the research paper, the methods section also follows a defined structure; this may be dictated by the guidelines of a specific journal or can be presented in a chronological or thematic manner based on the study type. When writing the methods section , authors should keep in mind that they are telling a story about how the research was conducted. They should only report relevant information to avoid confusing the reader and include details that would aid in connecting various aspects of the entire research activity together. It is generally advisable to present experiments in the order in which they were conducted. This facilitates the logical flow of the research and allows readers to follow the progression of the study design.   

It is also essential to clearly state the rationale behind each experiment and how the findings of earlier experiments informed the design or interpretation of later experiments. This allows the readers to understand the overall purpose of the study design and the significance of each experiment within that context. However, depending on the particular research question and method, it may make sense to present information in a different order; therefore, authors must select the best structure and strategy for their individual studies.   

In cases where there is a lot of information, divide the sections into subheadings to cover the pertinent details. If the journal guidelines pose restrictions on the word limit , additional important information can be supplied in the supplementary files. A simple rule of thumb for sectioning the method section is to begin by explaining the methodological approach ( what was done ), describing the data collection methods ( how it was done ), providing the analysis method ( how the data was analyzed ), and explaining the rationale for choosing the methodological strategy. This is described in detail in the upcoming sections.    

How to write the methods section of a research paper  

Contrary to widespread assumption, the methods section of a research paper should be prepared once the study is complete to prevent missing any key parameter. Hence, please make sure that all relevant experiments are done before you start writing a methods section . The next step for authors is to look up any applicable academic style manuals or journal-specific standards to ensure that the methods section is formatted correctly. The methods section of a research paper typically constitutes materials and methods; while writing this section, authors usually arrange the information under each category.

The materials category describes the samples, materials, treatments, and instruments, while experimental design, sample preparation, data collection, and data analysis are a part of the method category. According to the nature of the study, authors should include additional subsections within the methods section, such as ethical considerations like the declaration of Helsinki (for studies involving human subjects), demographic information of the participants, and any other crucial information that can affect the output of the study. Simply put, the methods section has two major components: content and format. Here is an easy checklist for you to consider if you are struggling with how to write the methods section of a research paper .   

• Explain the research design, subjects, and sample details  
• Include information on inclusion and exclusion criteria  
• Mention ethical or any other permission required for the study  
• Include information about materials, experimental setup, tools, and software  
• Add details of data collection and analysis methods  
• Incorporate how research biases were avoided or confounding variables were controlled  
• Evaluate and justify the experimental procedure selected to address the research question  
• Provide precise and clear details of each experiment  
• Flowcharts, infographics, or tables can be used to present complex information     
• Use past tense to show that the experiments have been done   
• Follow academic style guides (such as APA or MLA ) to structure the content  
• Citations should be included as per standard protocols in the field  

Now that you know how to write the methods section of a research paper , let’s address another challenge researchers face while writing the methods section —what to include in the methods section .  How much information is too much is not always obvious when it comes to trying to include data in the methods section of a paper. In the next section, we examine this issue and explore potential solutions.   

What to include in the methods section of a research paper  

The technical nature of the methods section occasionally makes it harder to present the information clearly and concisely while staying within the study context. Many young researchers tend to veer off subject significantly, and they frequently commit the sin of becoming bogged down in itty bitty details, making the text harder to read and impairing its overall flow. However, the best way to write the methods section is to start with crucial components of the experiments. If you have trouble deciding which elements are essential, think about leaving out those that would make it more challenging to comprehend the context or replicate the results. The top-down approach helps to ensure all relevant information is incorporated and vital information is not lost in technicalities. Next, remember to add details that are significant to assess the validity and reliability of the study. Here is a simple checklist for you to follow ( bonus tip: you can also make a checklist for your own study to avoid missing any critical information while writing the methods section ).  

• Structuring the methods section : Authors should diligently follow journal guidelines and adhere to the specific author instructions provided when writing the methods section . Journals typically have specific guidelines for formatting the methods section ; for example, Frontiers in Plant Sciences advises arranging the materials and methods section by subheading and citing relevant literature. There are several standardized checklists available for different study types in the biomedical field, including CONSORT (Consolidated Standards of Reporting Trials) for randomized clinical trials, PRISMA (Preferred Reporting Items for Systematic reviews and Meta-Analysis) for systematic reviews and meta-analysis, and STROBE (STrengthening the Reporting of OBservational studies in Epidemiology) for cohort, case-control, cross-sectional studies. Before starting the methods section , check the checklist available in your field that can function as a guide.     
• Organizing different sections to tell a story : Once you are sure of the format required for structuring the methods section , the next is to present the sections in a logical manner; as mentioned earlier, the sections can be organized according to the chronology or themes. In the chronological arrangement, you should discuss the methods in accordance with how the experiments were carried out. An example of the method section of a research paper of an animal study should first ideally include information about the species, weight, sex, strain, and age. Next, the number of animals, their initial conditions, and their living and housing conditions should also be mentioned. Second, how the groups are assigned and the intervention (drug treatment, stress, or other) given to each group, and finally, the details of tools and techniques used to measure, collect, and analyze the data. Experiments involving animal or human subjects should additionally state an ethics approval statement. It is best to arrange the section using the thematic approach when discussing distinct experiments not following a sequential order.  
• Define and explain the objects and procedure: Experimental procedure should clearly be stated in the methods section . Samples, necessary preparations (samples, treatment, and drug), and methods for manipulation need to be included. All variables (control, dependent, independent, and confounding) must be clearly defined, particularly if the confounding variables can affect the outcome of the study.  
• Match the order of the methods section with the order of results: Though not mandatory, organizing the manuscript in a logical and coherent manner can improve the readability and clarity of the paper. This can be done by following a consistent structure throughout the manuscript; readers can easily navigate through the different sections and understand the methods and results in relation to each other. Using experiment names as headings for both the methods and results sections can also make it simpler for readers to locate specific information and corroborate it if needed.   
• Relevant information must always be included: The methods section should have information on all experiments conducted and their details clearly mentioned. Ask the journal whether there is a way to offer more information in the supplemental files or external repositories if your target journal has strict word limitations. For example, Nature communications encourages authors to deposit their step-by-step protocols in an open-resource depository, Protocol Exchange which allows the protocols to be linked with the manuscript upon publication. Providing access to detailed protocols also helps to increase the transparency and reproducibility of the research.  
• It’s all in the details: The methods section should meticulously list all the materials, tools, instruments, and software used for different experiments. Specify the testing equipment on which data was obtained, together with its manufacturer’s information, location, city, and state or any other stimuli used to manipulate the variables. Provide specifics on the research process you employed; if it was a standard protocol, cite previous studies that also used the protocol.  Include any protocol modifications that were made, as well as any other factors that were taken into account when planning the study or gathering data. Any new or modified techniques should be explained by the authors. Typically, readers evaluate the reliability and validity of the procedures using the cited literature, and a widely accepted checklist helps to support the credibility of the methodology. Note: Authors should include a statement on sample size estimation (if applicable), which is often missed. It enables the reader to determine how many subjects will be required to detect the expected change in the outcome variables within a given confidence interval.  
• Write for the audience: While explaining the details in the methods section , authors should be mindful of their target audience, as some of the rationale or assumptions on which specific procedures are based might not always be obvious to the audience, particularly for a general audience. Therefore, when in doubt, the objective of a procedure should be specified either in relation to the research question or to the entire protocol.  
• Data interpretation and analysis : Information on data processing, statistical testing, levels of significance, and analysis tools and software should be added. Mention if the recommendations and expertise of an experienced statistician were followed. Also, evaluate and justify the preferred statistical method used in the study and its significance.  

What NOT to include in the methods section of a research paper  

To address “ how to write the methods section of a research paper ”, authors should not only pay careful attention to what to include but also what not to include in the methods section of a research paper . Here is a list of do not’s when writing the methods section :  

• Do not elaborate on specifics of standard methods/procedures: You should refrain from adding unnecessary details of experiments and practices that are well established and cited previously.  Instead, simply cite relevant literature or mention if the manufacturer’s protocol was followed.  
• Do not add unnecessary details : Do not include minute details of the experimental procedure and materials/instruments used that are not significant for the outcome of the experiment. For example, there is no need to mention the brand name of the water bath used for incubation.    
• Do not discuss the results: The methods section is not to discuss the results or refer to the tables and figures; save it for the results and discussion section. Also, focus on the methods selected to conduct the study and avoid diverting to other methods or commenting on their pros or cons.  
• Do not make the section bulky : For extensive methods and protocols, provide the essential details and share the rest of the information in the supplemental files. The writing should be clear yet concise to maintain the flow of the section.  

We hope that by this point, you understand how crucial it is to write a thoughtful and precise methods section and the ins and outs of how to write the methods section of a research paper . To restate, the entire purpose of the methods section is to enable others to reproduce the results or verify the research. We sincerely hope that this post has cleared up any confusion and given you a fresh perspective on the methods section .

As a parting gift, we’re leaving you with a handy checklist that will help you understand how to write the methods section of a research paper . Feel free to download this checklist and use or share this with those who you think may benefit from it.  

References  

• Bhattacharya, D. How to write the Methods section of a research paper. Editage Insights, 2018. https://www.editage.com/insights/how-to-write-the-methods-section-of-a-research-paper (2018).
• Kallet, R. H. How to Write the Methods Section of a Research Paper. Respiratory Care 49, 1229–1232 (2004). https://pubmed.ncbi.nlm.nih.gov/15447808/
• Grindstaff, T. L. & Saliba, S. A. AVOIDING MANUSCRIPT MISTAKES. Int J Sports Phys Ther 7, 518–524 (2012). https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3474299/

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Research Paper Appendix: Format and Examples

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• Academic essay overview
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• Types of academic essays
• Academic writing overview
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• Titles and headings
• APA style overview
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• APA examples overview
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APA Methods Section – How To Write It With Examples

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The APA methods section is a very important part of your academic paper, displaying how you conducted your research by providing a precise description of the methods and procedures you used for the study. This section ensures transparency, allowing other researchers to see exactly how you conducted your experiments. In APA style , the methods section usually includes subsections on participants, materials or measures, and procedures. This article discusses the APA methods section in detail.

Inhaltsverzeichnis

• 1 APA Methods Section – In a Nutshell
• 2 Definition: APA Methods Section
• 3 APA Methods Section: Structure
• 4 APA Methods Section: Participants
• 5 APA Methods Section: Materials
• 6 APA Methods Section: Procedure

APA Methods Section – In a Nutshell

• The APA methods section covers the participants, materials, and procedures.
• Under the ‘Participants’ heading of the APA methods section, you should state the relevant demographic characteristics of your participants.
• Accurately reporting the facts of the study can help other researchers determine how much the results can be generalized.

In what format are you currently required to submit your thesis?

Definition: APA Methods Section

The APA methods section describes the procedures you used to carry out your research and explains why particular processes were selected. It allows other researchers to replicate the study and make their own conclusions on the validity of the experiment.

APA Methods Section: Structure

• The main heading of the APA methods section should be written in bold and should be capitalized. It also has to be centered.
• All subheadings should be aligned to the left and must be boldfaced. You should select subheadings that are suitable for your essay, and the most commonly used include ‘Participants’, ‘Materials’, and ‘Procedure’.

Heading formats:

APA format has certain requirements for reporting different research designs. You should go through these guidelines to determine what you should mention for research using longitudinal designs , replication studies, and experimental designs .

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APA Methods Section: Participants

Under this subheading, you will have to report on the sample characteristics, the procedures used to collect samples, and the sample size selected.

Subject or Participant Characteristics

In academic studies, ‘participants’ refers to the people who take part in a study. If animals are used instead of human beings, the researcher can use the term ‘subjects’. In this subheading of the APA methods section, you have to describe the demographic characteristics of the participants, including their age, sex, race, ethnic group, education level, and gender identity. Depending on the nature of the study, other characteristics may be important. Some of these include:

• Education levels
• Language preference
• Immigration status

By describing the characteristics of the participants, readers will be able to determine how much the results can be generalized. Make sure you use bias-free language when writing this part of the APA methods section.

The study included 100 homosexual men and 100 homosexual women aged between 30 and 50 years from the city of London, UK.

Sampling Procedures

When selecting participants for your study, you will have to use certain sampling procedures. If the study could access all members of the population, you can say that you used random sampling methods. This section of the APA methods section should cover the percentage of respondents who participated in the research, and how they were chosen. You also need to state how participants were compensated and the ethical standard followed.

• Transgender male students from London were invited to participate in a study.
• Invites were sent to the students via email, social media posts, and posters in the schools.
• Each participant received $10 for the time spent in the study.
• The research obtained ethical approval before the participants were recruited.

Sample Size and Statistical Power

In this part of the APA methods section, you should give details on the sample size and statistical power you aimed at achieving. You should mention whether the final sample was the same as the intended sample. This section should show whether your research had enough statistical power to find any effects.

• The study aimed at a statistical power of 75% to detect an effect of 10% with an alpha of .05.
• 200 participants were required, and the study fulfilled these conditions.

APA Methods Section: Materials

Readers also need to know the materials you used for the study. This part of the APA methods section will give other researchers a good picture of the methods used to conduct the study.

Primary and secondary measures

Here, you should indicate the instruments used in the study, as well as the constructs they were meant to measure. Some of these are inventories, scales, tests, software, and hardware. Make sure you cover the following aspects:

• Reliability
• The Traumatic Stress Schedule (TSS) was used to measure the exposure to traumatic events.
• This 10-item chart requires participants to report lifelong exposure to traumatic stress.
• For example, they could indicate whether they suffered the traumatic death of a loved one.
• The Davidson Trauma Scale was also used to assess the symptoms of trauma.

Under this subheading of the APA methods section, you should also mention covariates or additional variables that can explain the outcomes.

Quality of measurements

You can mention the strategies you applied to ensure data integrity and reliability. These may include:

• Training the interviewers
• Establishing clear data nominalization procedures
• Rigorous data handling and analysis processes
• Having multiple people assess the data

If the data was subjectively coded, you should indicate the interrater reliability scores in the APA methods section.

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APA Methods Section: Procedure

This part of the APA methods section indicates the methods you used to carry out the research, process the data, and analyze the results.

Research Design and Data Collection Methods

Data collection is the systematic gathering of observations and measurements, and you have to describe all procedures used in this process. You can use supplementary materials to describe long and complicated data collection methods.

When reporting the research design, you should mention the framework of the study. This could be experimental, longitudinal, correlational, or descriptive. Additionally, you should mention whether you used a between-subjects design or within-subjects design .

In this part of the APA methods section, you should also mention whether any masking methods were used to hide condition assignments from the participants.

• Participants are told the research takes an hour covers their personal experiences in school.
• They were assured that the reports would be confidential and were asked to give consent.
• The participants were asked to fill in questionnaires .
• The control group was given an unrelated filler task, after which they filled a questionnaire.
• It was determined the experiences of homosexual and CIS-gendered students varied.

Data diagnostics

This part of the APA method section outlines the steps taken to process the data. It includes:

• Methods of identifying and controlling outliers
• Data transformation procedures
• Methods of compensating for missing values

Analytic strategies

This subheading of the APA methods section describes the analytic strategies used, but you shouldn’t mention the outcomes. The primary and secondary hypotheses use past studies or theoretical frameworks , while exploratory hypotheses focus on the data in the study.

We started by assessing the demographic differences between the two groups. We also performed an independent samples t-test on the test scores .

What are the parts of an APA methods section?

In this section, you should include the study participants, the methods used, and the procedures.

What is included in the APA methods section?

The methods section covers the participants or subject characteristics, the sampling procedures, the sample size, the measures used, the data collection methods, the research design, the data analysis strategy, and the data processing method.

Should I use the Oxford comma when writing the APA methods section?

Yes, the serial comma is required when writing the APA methods section.

Should I use the first person to write the APA methods section?

Yes, the APA language guidelines encourage researchers to use first-person pronouns when writing the methods section.

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How to Write a Methods Section for a Psychology Paper

Tips and Examples of an APA Methods Section

Verywell / Brianna Gilmartin 

The methods section of an APA format psychology paper provides the methods and procedures used in a research study or experiment . This part of an APA paper is critical because it allows other researchers to see exactly how you conducted your research.

Method refers to the procedure that was used in a research study. It included a precise description of how the experiments were performed and why particular procedures were selected. While the APA technically refers to this section as the 'method section,' it is also often known as a 'methods section.'

The methods section ensures the experiment's reproducibility and the assessment of alternative methods that might produce different results. It also allows researchers to replicate the experiment and judge the study's validity.

This article discusses how to write a methods section for a psychology paper, including important elements to include and tips that can help.

What to Include in a Method Section

So what exactly do you need to include when writing your method section? You should provide detailed information on the following:

• Research design
• Participants
• Participant behavior

The method section should provide enough information to allow other researchers to replicate your experiment or study.

Components of a Method Section

The method section should utilize subheadings to divide up different subsections. These subsections typically include participants, materials, design, and procedure.

Participants 

In this part of the method section, you should describe the participants in your experiment, including who they were (and any unique features that set them apart from the general population), how many there were, and how they were selected. If you utilized random selection to choose your participants, it should be noted here.

For example: "We randomly selected 100 children from elementary schools near the University of Arizona."

At the very minimum, this part of your method section must convey:

• Basic demographic characteristics of your participants (such as sex, age, ethnicity, or religion)
• The population from which your participants were drawn
• Any restrictions on your pool of participants
• How many participants were assigned to each condition and how they were assigned to each group (i.e., randomly assignment , another selection method, etc.)
• Why participants took part in your research (i.e., the study was advertised at a college or hospital, they received some type of incentive, etc.)

Information about participants helps other researchers understand how your study was performed, how generalizable the result might be, and allows other researchers to replicate the experiment with other populations to see if they might obtain the same results.

In this part of the method section, you should describe the materials, measures, equipment, or stimuli used in the experiment. This may include:

• Testing instruments
• Technical equipment
• Any psychological assessments that were used
• Any special equipment that was used

For example: "Two stories from Sullivan et al.'s (1994) second-order false belief attribution tasks were used to assess children's understanding of second-order beliefs."

For standard equipment such as computers, televisions, and videos, you can simply name the device and not provide further explanation.

Specialized equipment should be given greater detail, especially if it is complex or created for a niche purpose. In some instances, such as if you created a special material or apparatus for your study, you might need to include an illustration of the item in the appendix of your paper.

In this part of your method section, describe the type of design used in the experiment. Specify the variables as well as the levels of these variables. Identify:

• The independent variables
• Dependent variables
• Control variables
• Any extraneous variables that might influence your results.

Also, explain whether your experiment uses a  within-groups  or between-groups design.

For example: "The experiment used a 3x2 between-subjects design. The independent variables were age and understanding of second-order beliefs."

The next part of your method section should detail the procedures used in your experiment. Your procedures should explain:

• What the participants did
• How data was collected
• The order in which steps occurred

For example: "An examiner interviewed children individually at their school in one session that lasted 20 minutes on average. The examiner explained to each child that he or she would be told two short stories and that some questions would be asked after each story. All sessions were videotaped so the data could later be coded."

Keep this subsection concise yet detailed. Explain what you did and how you did it, but do not overwhelm your readers with too much information.

Tips for How to Write a Methods Section

In addition to following the basic structure of an APA method section, there are also certain things you should remember when writing this section of your paper. Consider the following tips when writing this section:

• Use the past tense : Always write the method section in the past tense.
• Be descriptive : Provide enough detail that another researcher could replicate your experiment, but focus on brevity. Avoid unnecessary detail that is not relevant to the outcome of the experiment.
• Use an academic tone : Use formal language and avoid slang or colloquial expressions. Word choice is also important. Refer to the people in your experiment or study as "participants" rather than "subjects."
• Use APA format : Keep a style guide on hand as you write your method section. The Publication Manual of the American Psychological Association is the official source for APA style.
• Make connections : Read through each section of your paper for agreement with other sections. If you mention procedures in the method section, these elements should be discussed in the results and discussion sections.
• Proofread : Check your paper for grammar, spelling, and punctuation errors.. typos, grammar problems, and spelling errors. Although a spell checker is a handy tool, there are some errors only you can catch.

After writing a draft of your method section, be sure to get a second opinion. You can often become too close to your work to see errors or lack of clarity. Take a rough draft of your method section to your university's writing lab for additional assistance.

A Word From Verywell

The method section is one of the most important components of your APA format paper. The goal of your paper should be to clearly detail what you did in your experiment. Provide enough detail that another researcher could replicate your study if they wanted.

Finally, if you are writing your paper for a class or for a specific publication, be sure to keep in mind any specific instructions provided by your instructor or by the journal editor. Your instructor may have certain requirements that you need to follow while writing your method section.

Frequently Asked Questions

While the subsections can vary, the three components that should be included are sections on the participants, the materials, and the procedures.

• Describe who the participants were in the study and how they were selected.
• Define and describe the materials that were used including any equipment, tests, or assessments
• Describe how the data was collected

To write your methods section in APA format, describe your participants, materials, study design, and procedures. Keep this section succinct, and always write in the past tense. The main heading of this section should be labeled "Method" and it should be centered, bolded, and capitalized. Each subheading within this section should be bolded, left-aligned and in title case.

The purpose of the methods section is to describe what you did in your experiment. It should be brief, but include enough detail that someone could replicate your experiment based on this information. Your methods section should detail what you did to answer your research question. Describe how the study was conducted, the study design that was used and why it was chosen, and how you collected the data and analyzed the results.

Erdemir F. How to write a materials and methods section of a scientific article ? Turk J Urol . 2013;39(Suppl 1):10-5. doi:10.5152/tud.2013.047

Kallet RH. How to write the methods section of a research paper . Respir Care . 2004;49(10):1229-32. PMID: 15447808.

American Psychological Association.  Publication Manual of the American Psychological Association  (7th ed.). Washington DC: The American Psychological Association; 2019.

American Psychological Association. APA Style Journal Article Reporting Standards . Published 2020.

By Kendra Cherry, MSEd Kendra Cherry, MS, is a psychosocial rehabilitation specialist, psychology educator, and author of the "Everything Psychology Book."

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How to Write a Methods Section for a Research Paper

A common piece of advice for authors preparing their first journal article for publication is to start with the methods section: just list everything that was done and go from there. While that might seem like a very practical approach to a first draft, if you do this without a clear outline and a story in mind, you can easily end up with journal manuscript sections that are not logically related to each other. 

Since the methods section constitutes the core of your paper, no matter when you write it, you need to use it to guide the reader carefully through your story from beginning to end without leaving questions unanswered. Missing or confusing details in this section will likely lead to early rejection of your manuscript or unnecessary back-and-forth with the reviewers until eventual publication. Here, you will find some useful tips on how to make your methods section the logical foundation of your research paper.

Not just a list of experiments and methods

While your introduction section provides the reader with the necessary background to understand your rationale and research question (and, depending on journal format and your personal preference, might already summarize the results), the methods section explains what exactly you did and how you did it. The point of this section is not to list all the boring details just for the sake of completeness. The purpose of the methods sections is to enable the reader to replicate exactly what you did, verify or corroborate your results, or maybe find that there are factors you did not consider or that are more relevant than expected. 

To make this section as easy to read as possible, you must clearly connect it to the information you provide in the introduction section before and the results section after, it needs to have a clear structure (chronologically or according to topics), and you need to present your results according to the same structure or topics later in the manuscript. There are also official guidelines and journal instructions to follow and ethical issues to avoid to ensure that your manuscript can quickly reach the publication stage.

Table of Contents:

• General Methods Structure: What is Your Story? 
• What Methods Should You Report (and Leave Out)? 
• Details Frequently Missing from the Methods Section

More Journal Guidelines to Consider 

• Accurate and Appropriate Language in the Methods

General Methods Section Structure: What Is Your Story? 

You might have conducted a number of experiments, maybe also a pilot before the main study to determine some specific factors or a follow-up experiment to clarify unclear details later in the process. Throwing all of these into your methods section, however, might not help the reader understand how everything is connected and how useful and appropriate your methodological approach is to investigate your specific research question. You therefore need to first come up with a clear outline and decide what to report and how to present that to the reader.

The first (and very important) decision to make is whether you present your experiments chronologically (e.g., Experiment 1, Experiment 2, Experiment 3… ), and guide the reader through every step of the process, or if you organize everything according to subtopics (e.g., Behavioral measures, Structural imaging markers, Functional imaging markers… ). In both cases, you need to use clear subheaders for the different subsections of your methods, and, very importantly, follow the same structure or focus on the same topics/measures in the results section so that the reader can easily follow along (see the two examples below).

If you are in doubt which way of organizing your experiments is better for your study, just ask yourself the following questions:

• Does the reader need to know the timeline of your study? 
• Is it relevant that one experiment was conducted first, because the outcome of this experiment determined the stimuli or factors that went into the next?
• Did the results of your first experiment leave important questions open that you addressed in an additional experiment (that was maybe not planned initially)?
• Is the answer to all of these questions “no”? Then organizing your methods section according to topics of interest might be the more logical choice.

If you think your timeline, protocol, or setup might be confusing or difficult for the reader to grasp, consider adding a graphic, flow diagram, decision tree, or table as a visual aid.

What Methods Should You Report (and Leave Out)?

The answer to this question is quite simple–you need to report everything that another researcher needs to know to be able to replicate your study. Just imagine yourself reading your methods section in the future and trying to set up the same experiments again without prior knowledge. You would probably need to ask questions such as:

• Where did you conduct your experiments (e.g., in what kind of room, under what lighting or temperature conditions, if those are relevant)? 
• What devices did you use? Are there specific settings to report?
• What specific software (and version of that software) did you use?
• How did you find and select your participants?
• How did you assign participants into groups?  
• Did you exclude participants from the analysis? Why and how?
• Where did your reagents or antibodies come from? Can you provide a Research Resource Identifier (RRID) ?
• Did you make your stimuli yourself or did you get them from somewhere?
• Are the stimuli you used available for other researchers?
• What kind of questionnaires did you use? Have they been validated?
• How did you analyze your data? What level of significance did you use?
• Were there any technical issues and did you have to adjust protocols?

Note that for every experimental detail you provide, you need to tell the reader (briefly) why you used this type of stimulus/this group of participants/these specific amounts of reagents. If there is earlier published research reporting the same methods, cite those studies. If you did pilot experiments to determine those details, describe the procedures and the outcomes of these experiments. If you made assumptions about the suitability of something based on the literature and common practice at your institution, then explain that to the reader.

In a nutshell, established methods need to be cited, and new methods need to be clearly described and briefly justified. However, if the fact that you use a new approach or a method that is not traditionally used for the data or phenomenon you study is one of the main points of your study (and maybe already reflected in the title of your article), then you need to explain your rationale for doing so in the introduction already and discuss it in more detail in the discussion section .

Note that you also need to explain your statistical analyses at the end of your methods section. You present the results of these analyses later, in the results section of your paper, but you need to show the reader in the methods section already that your approach is either well-established or valid, even if it is new or unusual. 

When it comes to the question of what details you should leave out, the answer is equally simple ‒ everything that you would not need to replicate your study in the future. If the educational background of your participants is listed in your institutional database but is not relevant to your study outcome, then don’t include that. Other things you should not include in the methods section:

• Background information that you already presented in the introduction section.
• In-depth comparisons of different methods ‒ these belong in the discussion section.
• Results, unless you summarize outcomes of pilot experiments that helped you determine factors for your main experiment.

Also, make sure your subheadings are as clear as possible, suit the structure you chose for your methods section, and are in line with the target journal guidelines. If you studied a disease intervention in human participants, then your methods section could look similar to this:

Since the main point of interest here are your patient-centered outcome variables, you would center your results section on these as well and choose your headers accordingly (e.g., Patient characteristics, Baseline evaluation, Outcome variable 1, Outcome variable 2, Drop-out rate ). 

If, instead, you did a series of visual experiments investigating the perception of faces including a pilot experiment to create the stimuli for your actual study, you would need to structure your methods section in a very different way, maybe like this:

Since here the analysis and outcome of the pilot experiment are already described in the methods section (as the basis for the main experimental setup and procedure), you do not have to mention it again in the results section. Instead, you could choose the two main experiments to structure your results section ( Discrimination and classification, Familiarization and adaptation ), or divide the results into all your test measures and/or potential interactions you described in the methods section (e.g., Discrimination performance, Classification performance, Adaptation aftereffects, Correlation analysis ).

Details Commonly Missing from the Methods Section

Manufacturer information.

For laboratory or technical equipment, you need to provide the model, name of the manufacturer, and company’s location. The usual format for these details is the product name (company name, city, state) for US-based manufacturers and the product name (company name, city/town, country) for companies outside the US.

Sample size and power estimation

Power and sample size estimations are measures for how many patients or participants are needed in a study in order to detect statistical significance and draw meaningful conclusions from the results. Outside of the medical field, studies are sometimes still conducted with a “the more the better” approach in mind, but since many journals now ask for those details, it is better to not skip this important step.

Ethical guidelines and approval

In addition to describing what you did, you also need to assure the editor and reviewers that your methods and protocols followed all relevant ethical standards and guidelines. This includes applying for approval at your local or national ethics committee, providing the name or location of that committee as well as the approval reference number you received, and, if you studied human participants, a statement that participants were informed about all relevant experimental details in advance and signed consent forms before the start of the study. For animal studies, you usually need to provide a statement that all procedures included in your research were in line with the Declaration of Helsinki. Make sure you check the target journal guidelines carefully, as these statements sometimes need to be placed at the end of the main article text rather than in the method section.

Structure & word limitations

While many journals simply follow the usual style guidelines (e.g., APA for the social sciences and psychology, AMA for medical research) and let you choose the headers of your method section according to your preferred structure and focus, some have precise guidelines and strict limitations, for example, on manuscript length and the maximum number of subsections or header levels. Make sure you read the instructions of your target journal carefully and restructure your method section if necessary before submission. If the journal does not give you enough space to include all the details that you deem necessary, then you can usually submit additional details as “supplemental” files and refer to those in the main text where necessary.

Standardized checklists

In addition to ethical guidelines and approval, journals also often ask you to submit one of the official standardized checklists for different study types to ensure all essential details are included in your manuscript. For example, there are checklists for randomized clinical trials, CONSORT (Consolidated Standards of Reporting Trials) , cohort, case-control, cross‐sectional studies, STROBE (STrengthening the Reporting of OBservational studies in Epidemiology ), diagnostic accuracy, STARD (STAndards for the Reporting of Diagnostic accuracy studies) , systematic reviews and meta‐analyses PRISMA (Preferred Reporting Items for Systematic reviews and Meta‐Analyses) , and Case reports, CARE (CAse REport) .

Make sure you check if the manuscript uses a single- or double-blind review procedure , and delete all information that might allow a reviewer to guess where the authors are located from the manuscript text if necessary. This means that your method section cannot list the name and location of your institution, the names of researchers who conducted specific tests, or the name of your institutional ethics committee.  

Accurate and Appropriate Language in the Methods Section

Like all sections of your research paper, your method section needs to be written in an academic tone . That means it should be formal, vague expressions and colloquial language need to be avoided, and you need to correctly cite all your sources. If you describe human participants in your method section then you should be especially careful about your choice of words. For example, “participants” sounds more respectful than “subjects,” and patient-first language, that is, “patients with cancer,” is considered more appropriate than “cancer patients” by many journals.

Passive voice is often considered the standard for research papers, but it is completely fine to mix passive and active voice, even in the method section, to make your text as clear and concise as possible. Use the simple past tense to describe what you did, and the present tense when you refer to diagrams or tables. Have a look at this article if you need more general input on which verb tenses to use in a research paper . 

Lastly, make sure you label all the standard tests and questionnaires you use correctly (look up the original publication when in doubt) and spell genes and proteins according to the common databases for the species you studied, such as the HUGO Gene Nomenclature Committee database for human studies .  

Visit Wordvice AI’s AI Text Editor to receive a free grammar check and English editing services (including manuscript editing , paper editing , and dissertation editing ) before submitting your manuscript to journal editors.

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Organizing Your Social Sciences Research Paper

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The methods section describes actions taken to investigate a research problem and the rationale for the application of specific procedures or techniques used to identify, select, process, and analyze information applied to understanding the problem, thereby, allowing the reader to critically evaluate a study’s overall validity and reliability. The methodology section of a research paper answers two main questions: How was the data collected or generated? And, how was it analyzed? The writing should be direct and precise and always written in the past tense.

Kallet, Richard H. "How to Write the Methods Section of a Research Paper." Respiratory Care 49 (October 2004): 1229-1232.

Importance of a Good Methodology Section

You must explain how you obtained and analyzed your results for the following reasons:

• Readers need to know how the data was obtained because the method you chose affects the results and, by extension, how you interpreted their significance in the discussion section of your paper.
• Methodology is crucial for any branch of scholarship because an unreliable method produces unreliable results and, as a consequence, undermines the value of your analysis of the findings.
• In most cases, there are a variety of different methods you can choose to investigate a research problem. The methodology section of your paper should clearly articulate the reasons why you have chosen a particular procedure or technique.
• The reader wants to know that the data was collected or generated in a way that is consistent with accepted practice in the field of study. For example, if you are using a multiple choice questionnaire, readers need to know that it offered your respondents a reasonable range of answers to choose from.
• The method must be appropriate to fulfilling the overall aims of the study. For example, you need to ensure that you have a large enough sample size to be able to generalize and make recommendations based upon the findings.
• The methodology should discuss the problems that were anticipated and the steps you took to prevent them from occurring. For any problems that do arise, you must describe the ways in which they were minimized or why these problems do not impact in any meaningful way your interpretation of the findings.
• In the social and behavioral sciences, it is important to always provide sufficient information to allow other researchers to adopt or replicate your methodology. This information is particularly important when a new method has been developed or an innovative use of an existing method is utilized.

Bem, Daryl J. Writing the Empirical Journal Article. Psychology Writing Center. University of Washington; Denscombe, Martyn. The Good Research Guide: For Small-Scale Social Research Projects . 5th edition. Buckingham, UK: Open University Press, 2014; Lunenburg, Frederick C. Writing a Successful Thesis or Dissertation: Tips and Strategies for Students in the Social and Behavioral Sciences . Thousand Oaks, CA: Corwin Press, 2008.

Structure and Writing Style

I.  Groups of Research Methods

There are two main groups of research methods in the social sciences:

• The e mpirical-analytical group approaches the study of social sciences in a similar manner that researchers study the natural sciences . This type of research focuses on objective knowledge, research questions that can be answered yes or no, and operational definitions of variables to be measured. The empirical-analytical group employs deductive reasoning that uses existing theory as a foundation for formulating hypotheses that need to be tested. This approach is focused on explanation.
• The i nterpretative group of methods is focused on understanding phenomenon in a comprehensive, holistic way . Interpretive methods focus on analytically disclosing the meaning-making practices of human subjects [the why, how, or by what means people do what they do], while showing how those practices arrange so that it can be used to generate observable outcomes. Interpretive methods allow you to recognize your connection to the phenomena under investigation. However, the interpretative group requires careful examination of variables because it focuses more on subjective knowledge.

II.  Content

The introduction to your methodology section should begin by restating the research problem and underlying assumptions underpinning your study. This is followed by situating the methods you used to gather, analyze, and process information within the overall “tradition” of your field of study and within the particular research design you have chosen to study the problem. If the method you choose lies outside of the tradition of your field [i.e., your review of the literature demonstrates that the method is not commonly used], provide a justification for how your choice of methods specifically addresses the research problem in ways that have not been utilized in prior studies.

The remainder of your methodology section should describe the following:

• Decisions made in selecting the data you have analyzed or, in the case of qualitative research, the subjects and research setting you have examined,
• Tools and methods used to identify and collect information, and how you identified relevant variables,
• The ways in which you processed the data and the procedures you used to analyze that data, and
• The specific research tools or strategies that you utilized to study the underlying hypothesis and research questions.

In addition, an effectively written methodology section should:

• Introduce the overall methodological approach for investigating your research problem . Is your study qualitative or quantitative or a combination of both (mixed method)? Are you going to take a special approach, such as action research, or a more neutral stance?
• Indicate how the approach fits the overall research design . Your methods for gathering data should have a clear connection to your research problem. In other words, make sure that your methods will actually address the problem. One of the most common deficiencies found in research papers is that the proposed methodology is not suitable to achieving the stated objective of your paper.
• Describe the specific methods of data collection you are going to use , such as, surveys, interviews, questionnaires, observation, archival research. If you are analyzing existing data, such as a data set or archival documents, describe how it was originally created or gathered and by whom. Also be sure to explain how older data is still relevant to investigating the current research problem.
• Explain how you intend to analyze your results . Will you use statistical analysis? Will you use specific theoretical perspectives to help you analyze a text or explain observed behaviors? Describe how you plan to obtain an accurate assessment of relationships, patterns, trends, distributions, and possible contradictions found in the data.
• Provide background and a rationale for methodologies that are unfamiliar for your readers . Very often in the social sciences, research problems and the methods for investigating them require more explanation/rationale than widely accepted rules governing the natural and physical sciences. Be clear and concise in your explanation.
• Provide a justification for subject selection and sampling procedure . For instance, if you propose to conduct interviews, how do you intend to select the sample population? If you are analyzing texts, which texts have you chosen, and why? If you are using statistics, why is this set of data being used? If other data sources exist, explain why the data you chose is most appropriate to addressing the research problem.
• Provide a justification for case study selection . A common method of analyzing research problems in the social sciences is to analyze specific cases. These can be a person, place, event, phenomenon, or other type of subject of analysis that are either examined as a singular topic of in-depth investigation or multiple topics of investigation studied for the purpose of comparing or contrasting findings. In either method, you should explain why a case or cases were chosen and how they specifically relate to the research problem.
• Describe potential limitations . Are there any practical limitations that could affect your data collection? How will you attempt to control for potential confounding variables and errors? If your methodology may lead to problems you can anticipate, state this openly and show why pursuing this methodology outweighs the risk of these problems cropping up.

NOTE:   Once you have written all of the elements of the methods section, subsequent revisions should focus on how to present those elements as clearly and as logically as possibly. The description of how you prepared to study the research problem, how you gathered the data, and the protocol for analyzing the data should be organized chronologically. For clarity, when a large amount of detail must be presented, information should be presented in sub-sections according to topic. If necessary, consider using appendices for raw data.

ANOTHER NOTE: If you are conducting a qualitative analysis of a research problem , the methodology section generally requires a more elaborate description of the methods used as well as an explanation of the processes applied to gathering and analyzing of data than is generally required for studies using quantitative methods. Because you are the primary instrument for generating the data [e.g., through interviews or observations], the process for collecting that data has a significantly greater impact on producing the findings. Therefore, qualitative research requires a more detailed description of the methods used.

YET ANOTHER NOTE:   If your study involves interviews, observations, or other qualitative techniques involving human subjects , you may be required to obtain approval from the university's Office for the Protection of Research Subjects before beginning your research. This is not a common procedure for most undergraduate level student research assignments. However, i f your professor states you need approval, you must include a statement in your methods section that you received official endorsement and adequate informed consent from the office and that there was a clear assessment and minimization of risks to participants and to the university. This statement informs the reader that your study was conducted in an ethical and responsible manner. In some cases, the approval notice is included as an appendix to your paper.

III.  Problems to Avoid

Irrelevant Detail The methodology section of your paper should be thorough but concise. Do not provide any background information that does not directly help the reader understand why a particular method was chosen, how the data was gathered or obtained, and how the data was analyzed in relation to the research problem [note: analyzed, not interpreted! Save how you interpreted the findings for the discussion section]. With this in mind, the page length of your methods section will generally be less than any other section of your paper except the conclusion.

Unnecessary Explanation of Basic Procedures Remember that you are not writing a how-to guide about a particular method. You should make the assumption that readers possess a basic understanding of how to investigate the research problem on their own and, therefore, you do not have to go into great detail about specific methodological procedures. The focus should be on how you applied a method , not on the mechanics of doing a method. An exception to this rule is if you select an unconventional methodological approach; if this is the case, be sure to explain why this approach was chosen and how it enhances the overall process of discovery.

Problem Blindness It is almost a given that you will encounter problems when collecting or generating your data, or, gaps will exist in existing data or archival materials. Do not ignore these problems or pretend they did not occur. Often, documenting how you overcame obstacles can form an interesting part of the methodology. It demonstrates to the reader that you can provide a cogent rationale for the decisions you made to minimize the impact of any problems that arose.

Literature Review Just as the literature review section of your paper provides an overview of sources you have examined while researching a particular topic, the methodology section should cite any sources that informed your choice and application of a particular method [i.e., the choice of a survey should include any citations to the works you used to help construct the survey].

It’s More than Sources of Information! A description of a research study's method should not be confused with a description of the sources of information. Such a list of sources is useful in and of itself, especially if it is accompanied by an explanation about the selection and use of the sources. The description of the project's methodology complements a list of sources in that it sets forth the organization and interpretation of information emanating from those sources.

Azevedo, L.F. et al. "How to Write a Scientific Paper: Writing the Methods Section." Revista Portuguesa de Pneumologia 17 (2011): 232-238; Blair Lorrie. “Choosing a Methodology.” In Writing a Graduate Thesis or Dissertation , Teaching Writing Series. (Rotterdam: Sense Publishers 2016), pp. 49-72; Butin, Dan W. The Education Dissertation A Guide for Practitioner Scholars . Thousand Oaks, CA: Corwin, 2010; Carter, Susan. Structuring Your Research Thesis . New York: Palgrave Macmillan, 2012; Kallet, Richard H. “How to Write the Methods Section of a Research Paper.” Respiratory Care 49 (October 2004):1229-1232; Lunenburg, Frederick C. Writing a Successful Thesis or Dissertation: Tips and Strategies for Students in the Social and Behavioral Sciences . Thousand Oaks, CA: Corwin Press, 2008. Methods Section. The Writer’s Handbook. Writing Center. University of Wisconsin, Madison; Rudestam, Kjell Erik and Rae R. Newton. “The Method Chapter: Describing Your Research Plan.” In Surviving Your Dissertation: A Comprehensive Guide to Content and Process . (Thousand Oaks, Sage Publications, 2015), pp. 87-115; What is Interpretive Research. Institute of Public and International Affairs, University of Utah; Writing the Experimental Report: Methods, Results, and Discussion. The Writing Lab and The OWL. Purdue University; Methods and Materials. The Structure, Format, Content, and Style of a Journal-Style Scientific Paper. Department of Biology. Bates College.

Writing Tip

Statistical Designs and Tests? Do Not Fear Them!

Don't avoid using a quantitative approach to analyzing your research problem just because you fear the idea of applying statistical designs and tests. A qualitative approach, such as conducting interviews or content analysis of archival texts, can yield exciting new insights about a research problem, but it should not be undertaken simply because you have a disdain for running a simple regression. A well designed quantitative research study can often be accomplished in very clear and direct ways, whereas, a similar study of a qualitative nature usually requires considerable time to analyze large volumes of data and a tremendous burden to create new paths for analysis where previously no path associated with your research problem had existed.

To locate data and statistics, GO HERE .

Another Writing Tip

Knowing the Relationship Between Theories and Methods

There can be multiple meaning associated with the term "theories" and the term "methods" in social sciences research. A helpful way to delineate between them is to understand "theories" as representing different ways of characterizing the social world when you research it and "methods" as representing different ways of generating and analyzing data about that social world. Framed in this way, all empirical social sciences research involves theories and methods, whether they are stated explicitly or not. However, while theories and methods are often related, it is important that, as a researcher, you deliberately separate them in order to avoid your theories playing a disproportionate role in shaping what outcomes your chosen methods produce.

Introspectively engage in an ongoing dialectic between the application of theories and methods to help enable you to use the outcomes from your methods to interrogate and develop new theories, or ways of framing conceptually the research problem. This is how scholarship grows and branches out into new intellectual territory.

Reynolds, R. Larry. Ways of Knowing. Alternative Microeconomics . Part 1, Chapter 3. Boise State University; The Theory-Method Relationship. S-Cool Revision. United Kingdom.

Yet Another Writing Tip

Methods and the Methodology

Do not confuse the terms "methods" and "methodology." As Schneider notes, a method refers to the technical steps taken to do research . Descriptions of methods usually include defining and stating why you have chosen specific techniques to investigate a research problem, followed by an outline of the procedures you used to systematically select, gather, and process the data [remember to always save the interpretation of data for the discussion section of your paper].

The methodology refers to a discussion of the underlying reasoning why particular methods were used . This discussion includes describing the theoretical concepts that inform the choice of methods to be applied, placing the choice of methods within the more general nature of academic work, and reviewing its relevance to examining the research problem. The methodology section also includes a thorough review of the methods other scholars have used to study the topic.

Bryman, Alan. "Of Methods and Methodology." Qualitative Research in Organizations and Management: An International Journal 3 (2008): 159-168; Schneider, Florian. “What's in a Methodology: The Difference between Method, Methodology, and Theory…and How to Get the Balance Right?” PoliticsEastAsia.com. Chinese Department, University of Leiden, Netherlands.

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How to Write the Methods Section of an APA Paper

• 3-minute read
• 23rd December 2021

If you’re a researcher writing an APA paper , you’ll need to include a Methods section. This part explains the methods you used to conduct your experiment or research study and is always written in the past tense.

It’s crucial that you include all the relevant information here because other researchers will use this section to recreate your study, as well as judge how valid and accurate your results are.

In this guide, we’ll show you how to write a clear and comprehensive Methods section for your research paper.

Structuring the Methods Section

This section of an APA paper is typically split into three subsections under the following subheadings:

• Participants —who took part in the experiment and why?
• Materials —what tools did you use to conduct the experiment?
• Procedure —what steps were involved in the experiment?

If necessary, you may add further subsections. Different institutions have specific rules on what subsections should be included (for example, some universities require a “Design” subsection), so make sure to check your institution’s requirements before you start writing your Methods section.

Writing the Participants Subsection

In this first subsection, you will need to identify the participants of your experiment or study. You should include:

●  How many people took part, and how many were assigned to the experimental condition

●  How they were selected for participation

●  Any relevant demographic information (e.g., age, sex, ethnicity)

You’ll also need to address whether any restrictions were placed on who was selected and if any incentives were offered to encourage participants to take part.

Writing the Materials Subsection

In this subsection, you should address the materials, equipment, measures, and stimuli used in the study. These might include technology and computer software, tools such as questionnaires and psychological assessments, and, if relevant, the physical setting where the study took place.

You’ll need to describe specialist equipment in detail, especially if it has a niche purpose. However, you don’t need to provide specific information about common or standard equipment (e.g., the type of computer on which participants completed a survey) unless it’s relevant to the experiment.

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In addition, you don’t need to explain a material in depth if it’s well known within your field, such as a famous psychological assessment. Instead, you can provide a citation referring to that material.

If any materials were designed specifically for the experiment, such as a questionnaire, you’ll need to provide such materials in the appendix .

Writing the Procedure Subsection

The procedure subsection should describe what you had participants do in a step-by-step format. It should be detailed but concise and will typically include:

●  A summary of the instructions given to participants (as well as any information that was intentionally withheld)

●  A description of how participants in different conditions were treated

●  How long each step of the process took

●  How participants were debriefed or dismissed at the end of the experiment

After detailing the steps of the experiment, you should then address the methods you used to collect and analyze data.

Proofreading Your Methods Section

Because the Methods section of your paper will help other researchers understand and recreate your experiment, you’ll want your writing to be at its best.

Our expert research paper proofreaders can help your research get the recognition it deserves by making sure your work is clear, concise, and error-free. Why not try our services for free by submitting a trial document ?

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How To Write A Research Paper

Research Paper Methods Section

How To Write The Methods Section of a Research Paper Step-by-Step

13 min read

Published on: Mar 6, 2024

Last updated on: Jul 18, 2024

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The method and material section stands as the cornerstone of any research paper. Crafting this section with precision is important, especially when aiming for a target journal. 

If you're navigating the intricacies of research paper writing and pondering on how to ace the methodology, fear not – we've got you covered. Our guide will walk you through the essentials, ensuring your methodology shines in the eyes of your target journal. 

Let's jump into the basics of the method section!

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What is the Methods Section of a Research Paper?

The methods section of a research paper provides a detailed description of the procedures, techniques, and methods employed to conduct the study. It outlines the steps taken to collect, analyze, and interpret data, allowing other researchers to replicate the study and assess the validity of the results. 

This section includes information on the study design, participants, materials or apparatus used, data collection procedures, and statistical analyses. Typically, the methodology section is placed after the introduction and before the results section in a research paper.

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Importance of Methods Section

The methods section of a research paper holds significant importance. Here is why: 

• Replicability: The methods section ensures the replicability of the study by providing a clear and comprehensive account of the procedures used.
• Transparency: It enhances transparency, allowing other researchers to understand and evaluate the validity of the study's findings.
• Credibility: A well-documented methods section enhances the credibility of the research, instilling confidence in the study's design and execution.
• Guidance for Future Research: It serves as a guide for future research, offering insights into methodologies that can be applied or modified in similar studies.
• Ethical Considerations: The section highlights ethical considerations, promoting responsible and accountable research practices.

Structure of Methods Section of a Research Paper

There are some important parts of the method section of a research paper that you will need to include, whether you have done an experimental study or a descriptive study. 

Provided structured approach below ensures clarity and replicability of the research methodology:

Formatting of the Methods Section 

Make the main " Methods " heading centered, bold, and capitalized. For subtopics under "Methods," like participant details or data collection, use left-aligned, bold, and title cases. 

Feel free to include even sub-headings for more specifics. This formatting helps readers easily follow your study steps.

Next, we will address the most common query, i.e., how to write the methodology section of a research paper. Let’s explain the steps for writing the methodology section of a research paper:

Step 1: Start with Study Design

The initial step in the method section of a research paper is to provide a clear description of the study type. This involves outlining the overall plan and structure of the research. 

Different types of studies, such as cohort, case-control, and cross-sectional, may be employed based on the research objectives.

For instance:

Starting with the study design sets the stage for understanding the methodology. It provides readers with a foundation for subsequent sections in the methods portion of the research paper.

Step 2: Describe Participants

In the methods section, the second step involves providing a detailed account of the participants involved in the study. Start by describing the characteristics of both human and non-human subjects, using clear and descriptive language.

Address specific demographic characteristics relevant to your study, such as age, sex, ethnic or racial group, gender identity, education level, and socioeconomic status. Clearly outlining these essential details ensures transparency, replicability, and a comprehensive understanding of the study's sample.

Sampling Procedures:

• Clearly outline how participants were selected, specifying any inclusion and exclusion criteria applied.
• Appropriately identify the sampling procedure used, such as random sampling, convenience sampling, or stratified sampling.
• If applicable, note the percentage of invited participants who actually participated.
• Specify if participants were self-selected or chosen by their institutions (e.g., schools submitting student data).

Sample Size and Power:

• Detail the intended sample size estimation per condition and the statistical power aimed for in the study.
• Provide information on any analyses conducted to determine the sample size and power.
• Emphasize the importance of statistical power for detecting effects if present.
• State whether the final sample size differed from the originally intended sample.
• Base your interpretations of study outcomes solely on the final sample, reinforcing the importance of transparency in reporting.

Step 3: State Materials or Apparatus

In the third step, thoroughly describe the materials or apparatus used in your research. In addition, gives detailed information on the tools and techniques employed to measure relevant outcome variables.

Primary and Secondary Measures:

• Clearly define both primary and secondary outcome measures aligned with research questions.
• Specify all instruments used, citing hardware models, software versions, or references to manuals/articles.
• Report settings of specialized apparatus, such as screen resolution.

Reliability and Validity:

• For each instrument, detail measures of reliability and validity.
• Include an explanation of how consistently (reliability) and precisely (validity) the method measures the targeted variables.
• Provide examples or reference materials to illustrate the reliability and validity of tests, questionnaires, or interviews.

Covariates and Quality Assurance:

• Describe any covariates considered and their relevance to explaining or predicting outcomes.
• Review methods used to assure measurement quality, such as researcher training, multiple assessors, translation procedures, and pilot studies.
• For subjectively coded data, report interrater reliability scores to gauge consistency among raters.

Step 4 Write the Procedure

Next is the procedure section of the research paper, which thoroughly details the procedures applied for administering the study, processing data, and planning data analyses.

Data Collection Methods and Research Design

• Summarize data collection methods (e.g., surveys, tests) and the overall research design.
• Provide detailed procedures for administering surveys, tests, or any other data collection instruments.
• Clarify the research design framework, specifying whether it's experimental, quasi-experimental, descriptive, correlational, and/or longitudinal.
• For multi-group studies, report assignment methods, group instructions, interventions, and session details.

Data Analysis 

• Clearly state the planned data analysis methods for each research question or hypothesis.
• Specify descriptive statistics, inferential statistical tests, and any other analysis techniques.
• Include software or tools used for data analysis (e.g., SPSS, R).
• Provide a brief rationale for choosing each analysis method.

Step 5: Mention Ethical Approvals

In the fifth step of the methods section, explicitly address the ethical considerations of your research, ensuring transparency and adherence to ethical standards. Here are some key ethical considerations: 

• IRB Approval:

Clearly state that the research received approval from the Institutional Review Board (IRB) or an equivalent ethical review body.

• Informed Consent:

Specify the process of obtaining informed consent, including the provision of information sheets to participants.

• Confidentiality:

Describe measures taken to maintain confidentiality, such as assigning unique identification numbers and securing data.

• Participant Rights:

Emphasize participants' right to withdraw from the study at any point without consequences.

• Debriefing:

Mention if debriefing procedures were implemented to address any participant concerns post-study.

Methods Section of Research Paper Examples

Exploring sample methodology sections is crucial when composing your first research paper, as it enhances your understanding of the structure. We provide PDF examples of methodology sections that you can review to gain inspiration for your own research paper.

Methods Section of A Qualitative Research Paper

Methods Section of Research Paper Template

Methods Section of Research Proposal Example

Methods Section of Research Paper APA

How To Write A Method For An Experiment

Journal Guidelines to Consider

When writing the methods section, be mindful of the specific guidelines set by your target journal. These guidelines can vary, impacting the structure, word limitations, and even the presentation of your methodology. 

Here's a detailed explanation, along with an example:

Structure & Word Limitations

If a journal follows APA guidelines, it might allow flexibility in structuring the method section. However, some journals may impose strict limitations on the manuscript's length and the number of subsections. 

For instance, a journal might specify a maximum of 3000 words for the entire paper and limit the method section to 500 words. In such cases, ensure you adhere to these constraints, potentially submitting supplemental files for additional details.

Standardized Checklists

Journals often request authors to use standardized checklists for various study types to ensure completeness. 

For a randomized clinical trial, the CONSORT(Consolidated Standards of Reporting Trials) checklist might be required. If your research involves observational studies, the STROBE (Strengthening the Reporting of Observational Studies in Epidemiology) checklist may be applicable. 

For diagnostic accuracy studies, adherence to the STARD (Standards for the Reporting of Diagnostic Accuracy Studies) checklist is common. These checklists serve as a systematic way to include essential details in your manuscript, aligning with the journal's preferred reporting standards.

Blind Review Procedures

Some journals implement single- or double-blind review procedures. If a double-blind review is in place, authors need to remove any information that might reveal their identity or institutional affiliations. 

For instance, the method section cannot explicitly mention the institution's name, researchers' identities, or the institutional ethics committee. This ensures an unbiased evaluation of the research without reviewers being influenced by the authors' affiliations.

The Dos And Don’ts Of Writing The Methods Section

While it's important to be thorough, certain elements are better suited for other sections of the paper. Here are some Do’s and Don’ts of writing the methods section:

Dos of Writing the Methods Section

Here are what to include in the methods section: 

• Clarity and Precision: Clearly and concisely describe the procedures used in your study. Ensure that another researcher can replicate your work based on your explanation.
• Chronological Order: Present the methods in a logical and chronological sequence. This helps readers follow the flow of your research.
• Detail and Specificity: Provide sufficient detail to allow for replication. Specify equipment, materials, and procedures used, including any modifications.
• Consistency with Study Design: Align your methods with the overall design of your study. Clearly state whether it's experimental, observational, or another design.
• Inclusion of Participants: Detail participant characteristics, including demographics and any inclusion/exclusion criteria. Clearly state the sample size.
• Operational Definitions: Define and operationalize key variables. Clearly explain how each variable was measured or manipulated.
• Transparency in Data Collection: Describe the data collection process, including the timing, location, and any relevant protocols followed during the study.
• Statistical Information: Outline the statistical methods used for analysis. Specify the software, tests employed and significance levels.
• Ethical Considerations: Discuss ethical approvals obtained, informed consent procedures, and measures taken to ensure participant confidentiality. Address any potential conflicts of interest.

Don'ts of Writing the Methods Section

• Extraneous Details: Unlike the discussion section avoid including unnecessary details or information that does not contribute directly to understanding the research methods.
• Results Discussion: Refrain from discussing or interpreting the results in the methods section. Focus solely on describing the methods employed.
• Ambiguity and Vagueness: Steer clear of vague or ambiguous language. Be precise and specific in your descriptions.
• Overemphasis on Background: While some background information is relevant, avoid turning the methods section into an extensive literature review . Keep the focus on the research methods.
• Personal Opinions: Do not include personal opinions or anecdotes. Stick to factual and objective descriptions.
• Excessive Jargon: Minimize the use of technical jargon that may be confusing to readers who are not experts in your field. If necessary, provide clear explanations.
• Inadequate Explanation of Modifications: If you deviate from standard procedures, clearly explain the modifications and justify why they were made.
• Inconsistency with Design: Ensure that your methods align with the study design. Avoid inconsistencies that could create confusion for readers.

In conclusion , learning the art of writing the methods section is pivotal for any research paper. Following a step-by-step approach, from defining the study design to detailed data collection and analysis, ensures clarity and replicability. 

Remember, precision matters. If you find yourself grappling with the intricacies of your methodology, don't hesitate to reach out to CollegeEssay.org.  

Our professional writing service is ready to assist you in crafting a robust and well-structured methods section. 

Connect with our research paper writing service for expert guidance and conquer the challenges of research paper writing.

Nova A. (Literature, Marketing)

As a Digital Content Strategist, Nova Allison has eight years of experience in writing both technical and scientific content. With a focus on developing online content plans that engage audiences, Nova strives to write pieces that are not only informative but captivating as well.

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How to Write the Methods Section of a Scientific Article

What Is the Methods Section of a Research Paper?

The Methods section of a research article includes an explanation of the procedures used to conduct the experiment. For authors of scientific research papers, the objective is to present their findings clearly and concisely and to provide enough information so that the experiment can be duplicated.

Research articles contain very specific sections, usually dictated by either the target journal or specific style guides. For example, in the social and behavioral sciences, the American Psychological Association (APA) style guide is used to gather information on how the manuscript should be arranged . As with most styles, APA’s objectives are to ensure that manuscripts are written with minimum distractions to the reader. Every research article should include a detailed Methods section after the Introduction.

Why is the Methods Section Important?

The Methods section (also referred to as “Materials and Methods”) is important because it provides the reader enough information to judge whether the study is valid and reproducible.

Structure of the Methods Section in a Research Paper

While designing a research study, authors typically decide on the key points that they’re trying to prove or the “ cause-and-effect relationship ” between objects of the study. Very simply, the study is designed to meet the objective. According to APA, a Methods section comprises of the following three subsections: participants, apparatus, and procedure.

How do You Write a Method Section in Biology?

In biological sciences, the Methods section might be more detailed, but the objectives are the same—to present the study clearly and concisely so that it is understandable and can be duplicated.

If animals (including human subjects) were used in the study, authors should ensure to include statements that they were treated according to the protocols outlined to ensure that treatment is as humane as possible.

• The Declaration of Helsinki is a set of ethical principles developed by The World Medical Association to provide guidance to scientists and physicians in medical research involving human subjects.

Research conducted at an institution using human participants is overseen by the Institutional Review Board (IRB) with which it is affiliated. IRB is an administrative body whose purpose is to protect the rights and welfare of human subjects during their participation in the study.

Literature Search

Literature searches are performed to gather as much information as relevant from previous studies. They are important for providing evidence on the topic and help validate the research. Most are accomplished using keywords or phrases to search relevant databases. For example, both MEDLINE and PubMed provide information on biomedical literature. Google Scholar, according to APA, is “one of the best sources available to an individual beginning a literature search.” APA also suggests using PsycINFO and refers to it as “the premier database for locating articles in psychological science and related literature.”

Authors must make sure to have a set of keywords (usually taken from the objective statement) to stay focused and to avoid having the search move far from the original objective. Authors will benefit by setting limiting parameters, such as date ranges, and avoiding getting pulled into the trap of using non-valid resources, such as social media, conversations with people in the same discipline, or similar non-valid sources, as references.

Related: Ready with your methods section and looking forward to manuscript submission ? Check these journal selection guidelines now!

What Should be Included in the Methods Section of a Research Paper?

One commonly misused term in research papers is “methodology.” Methodology refers to a branch of the Philosophy of Science which deals with scientific methods, not to the methods themselves, so authors should avoid using it. Here is the list of main subsections that should be included in the Methods section of a research paper ; authors might use subheadings more clearly to describe their research.

• Literature search : Authors should cite any sources that helped with their choice of methods. Authors should indicate timeframes of past studies and their particular parameters.
• Study participants : Authors should cite the source from where they received any non-human subjects. The number of animals used, the ages, sex, their initial conditions, and how they were housed and cared for, should be listed. In case of human subjects, authors should provide the characteristics, such as geographical location; their age ranges, sex, and medical history (if relevant); and the number of subjects. In case hospital records were used, authors should include the subjects’ basic health information and vital statistics at the beginning of the study. Authors should also state that written informed consent was provided by each subject.
• Inclusion/exclusion criteria : Authors should describe their inclusion and exclusion criteria, how they were determined, and how many subjects were eliminated.
• Group characteristics (could be combined with “Study participants”) : Authors should describe how the chosen group was divided into subgroups and their characteristics, including the control. Authors should also describe any specific equipment used, such as housing needs and feed (usually for animal studies). If patient records are reviewed and assessed, authors should mention whether the reviewers were blinded to them.
• Procedures : Authors should describe their study design. Any necessary preparations (e.g., tissue samples, drugs) and instruments must be explained. Authors should describe how the subjects were “ manipulated to answer the experimental question .” Timeframes should be included to ensure that the procedures are clear (e.g., “Rats were given XX drug for 14 d”). For animals sacrificed, the methods used and the protocols followed should be outlined.
• Statistical analyses: The type of data, how they were measured, and which statistical tests were performed, should be described. (Note: This is not the “results” section; any relevant tables and figures should be referenced later.) Specific software used must be cited.

What Should not be Included in Your Methods Section?

Common pitfalls can make the manuscript cumbersome to read or might make the readers question the validity of the research. The University of Southern California provides some guidelines .

• Background information that is not helpful must be avoided.
• Authors must avoid providing a lot of detail.
• Authors should focus more on how their method was used to meet their objective and less on mechanics .
• Any obstacles faced and how they were overcome should be described (often in your “Study Limitations”). This will help validate the results.

According to the University of Richmond , authors must avoid including extensive details or an exhaustive list of equipment that have been used as readers could quickly lose attention. These unnecessary details add nothing to validate the research and do not help the reader understand how the objective was satisfied. A well-thought-out Methods section is one of the most important parts of the manuscript. Authors must make a note to always prepare a draft that lists all parts, allow others to review it, and revise it to remove any superfluous information.

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How to Start a Methods Section in Research? [with Examples]

The examples below are from 76,350 full-text PubMed research papers that I analyzed in order to explore common ways to start the Materials and Methods section.

Research papers included in this analysis were selected at random from those uploaded to PubMed Central between the years 2016 and 2021. I used the BioC API to download the data (see the References section below).

Examples of how to start writing the Methods section

The Methods section is the recipe for the study: it should provide the reader enough information to replicate the study without looking elsewhere. [for more information, see: How to Write & Publish a Research Paper: Step-by-Step Guide ]

The Methods section can:

1. Start by mentioning the approvals acquired to conduct the study

For example:

“ The study protocol was approved by the institutional research commissions of the Swiss Tropical and Public Health Institute (Swiss TPH; Basel, Switzerland) and the Centre Suisse de Recherches Scientifiques en Côte d’Ivoire (CSRS; Abidjan, Côte d’Ivoire). Ethical approval was granted by the ethics committee of Basel (EKBB; reference no. 316/08), and the Ministry of Higher Education and Scientific Research in Côte d’Ivoire (reference no. 124/MESRS/DGRSIT/YKS/sac).” Source: taken from the Methods section of this PubMed article

2. Start by mentioning the study design

“This cross-sectional study was performed among students and staff of one of the largest government-funded universities in Malaysia.” Source: taken from the Methods section of this PubMed article

3. Start by mentioning the date, duration, and place of the study

“This cross-sectional study was a part of the Student Mental Health Survey that was conducted at Akita University between May 20 and June 16, 2020 .” Source: taken from the Methods section of this PubMed article

4. Start by mentioning the source of the data

“ This study used three datasets from the 2007, 2013–14, and 2018 Zambian Demographic Health Surveys (DHS).” Source: taken from the Methods section of this PubMed article

5. Start by mentioning the sample size

“Data were acquired on 30 patients with schizophrenia and 30 healthy controls .” Source: taken from the Methods section of this PubMed article

6. Start by justifying the use of the main material or method

“ In order to describe the infectious disease progression we use the minimal and prototypical SIR model.” Source: taken from the Methods section of this PubMed article

Common words used to start a Methods section

Here’s a list of the most common words used at the beginning of the Methods section:

• “This study was approved by…”
• “This study was conducted at…”
• “This was a retrospective study…”
• “This cross-sectional study was conducted…”
• “This study was conducted in accordance…”
• “This study was performed in accordance…”
• “All procedures were approved by the…”
• “Written informed consent was obtained from…”
• Comeau DC, Wei CH, Islamaj Doğan R, and Lu Z. PMC text mining subset in BioC: about 3 million full text articles and growing,  Bioinformatics , btz070, 2019.

Further reading

• How Long Should the Methods Section Be? Data from 61,514 Examples
• How to Write & Publish a Research Paper: Step-by-Step Guide
• Does the Number of Authors Matter? Data from 101,580 Research Papers

A Scholar’s Guide to Writing the Methods Section of a Research Paper

Table of contents

• 1 What Is the Methods Section of a Research Paper
• 2 Methodology vs. Methods
• 3.1 Participants
• 3.2 Apparatus
• 3.3 Procedure
• 4.1 Methods and Results Should Match
• 4.2 Preparing the Statistical Methods Subsection
• 4.3 The Style of the Methodology
• 5 Key Information to Include in Methodology
• 6 Helping Hand in Writing Methodology Chapter
• 7.1 Which information is not included in the methodology section of a research article?
• 7.2 Where does the research methodology section go in a research paper?
• 7.3 What is the difference between qualitative and quantitative methods?

In the vast realm of academic writing, the research paper stands as a testament to a scholar’s systematic exploration of a particular subject. Each section of the paper plays a pivotal role, knitting together the fabric of the study. While the introduction sets the stage and the results showcase the findings, it is the Methods section that forms the backbone, providing a clear roadmap for any reader or researcher wishing to replicate or understand the study’s inner workings. As pivotal as it is, crafting an impeccable Methods section often poses challenges for researchers. This article aims to elucidate the intricacies of constructing a robust Methodology section in a research paper.

After reading our guide, you will:

• Get a clear understanding of the importance and purpose of the Methods in a research paper.
• Discover in details what should contain a comprehensive Methods section.
• Learn essentials on writing a Methodology in a research paper.

Now, let’s take a detailed look at these points!

What Is the Methods Section of a Research Paper

Do you have any questions about how to write the Methodology? Firstly, let’s define this section for research. The Methods or Methodology section of the research paper gives the road map for how the research was conducted. A well-crafted Methods section not only guides the researcher but also helps other scholars understand, replicate your study.

In other words, it’s like a recipe in a cookbook. If you want others to recreate your experiment or study, this section tells them exactly how you did it. It includes details about the steps you took, the tools or ingredients you used, and how you measured your results. This way, others can see if they get the same outcome when they follow your “recipe” or if they can trust your findings.

This means that the Methodology should be thoughtfully planned, executed, and reported. The reader should understand the basic research structure and the steps taken to conduct the study, including the research design, methods, gathered data, and data analysis techniques used.

The Methodology of a research study is essential for several reasons:

Validity and Reliability: A well-defined Methodology provides the foundation for the criteria and reliability of the study, particularly in addressing the research question for research. It helps to ensure that the research is conducted in a systematic and controlled manner and that the results are accurate and trustworthy.

Replicability: It allows other researchers to understand and replicate the study, which is important for building on existing knowledge and advancing the field.

Clarity and Transparency: A clear and concise Methods part makes it easier for readers to understand the research process and evaluate the results. This helps to increase transparency and build trust in the findings.

Justification of Approach: The research methodology provides a rationale for the approach taken, including why certain methods and techniques were chosen and how they relate to the question for research.

Evidence of Rigor: A well-executed research methodology demonstrates the rigor and thoroughness of the study, which is important for establishing the credibility of the results.

Methodology vs. Methods

In rigorous academic and research contexts, there is a distinction between “methods” and “methodology.” However, outside of strict scholarly circles or in more informal discussions, there might be some overlapping use. The “methods” generally refer to the specific techniques or procedures, while “methodology” dives into the theoretical framework and rationale behind those techniques. It’s essential to use the terms correctly in formal academic and research writings to maintain clarity and precision.

Nevertheless, in many research papers, the specifics of the methods (the “how”) are the primary focus, and the theoretical rationale (the “why”) might be briefly touched upon within the same section.

Structure of the Methodology In A Research Paper

The Methods section typically begins with a brief overview of its contents and a reiteration of the research question. This is followed by a description of the participants, detailing their demographics, and how they were recruited. The materials or apparatus used are then specified, from tools to equipment, with any unique specifications highlighted.

The core of the Methods section is the procedure, a step-by-step account of the study, from experimental tasks to the sequence of operations. This is complemented by an explanation of the experimental design, where the type of research design is described, along with the variables involved. Detailed accounts of how data was gathered, whether through surveys, interviews, or other methods, are provided, ensuring the reader understands the data collection nuances.

Critical to the credibility of the study is the section on statistical analysis, which reveals how data was processed, what statistical tests were used, and the software or tools employed. If the research involved humans or animals, the ethical considerations section becomes pivotal. Here, measures taken to ensure participants’ rights, confidentiality, and informed consent are documented. Towards the end, the limitations of the study are discussed, providing insights into potential biases or constraints faced during the research process. The section wraps up with a brief recap, emphasizing the methods’ role in ensuring the study’s integrity and reproducibility.

According to APA style , there are three major subsections to report here: participants, apparatus, and procedure.

Participants

This segment reports the characteristics of the participants involved in the experiment, the method of sampling, and the sample size.

• Characteristics

This details the demography of the respondents that may be relevant to the experiment. This includes but is not limited to age, gender, ethnicity or race, religion, level of education, socioeconomic status, origin of the population, and any restrictions.

✏️Example:

Fifty female undergraduate students between the ages of 19 and 23 participated in the experiment. All were sophomores in the Faculty of Engineering and native English speakers who lived on the university campus. The participants were separated into two groups of 25 students, each without any determining criteria. This study was conducted at the University of Alabama, USA .

• Sampling Strategy

Identify the selection criteria and whether the sample was random or not. Include it if you have access to data informing the percentage of people invited to participate and how many agreed. You should also report the selection mode; was it voluntary, or were the participants assigned to the study? Additionally, identify any compensation that was provided to participants.

The ethics board was petitioned, and approval was granted before the recruitment of participants commenced. All the female sophomores from the faculty of Engineering at the University of Alabama, USA, were invited to participate, and those who did were self-selected. In liaison with department heads, the students were offered additional credits in a faculty-wide course as compensation for their time.

• Sample Size

Identify the sample size per group, the statistical power you aimed to attain, whether you could attain it, and the analyses you used to determine the figures you arrived at. You should also include whether the final sample you got was what you initially required.

The required power for this experiment to detect a 15% effect at a significance level of .08 was 75%. To achieve this, we needed 25 participants in each group. The final sample met these conditions.

This subsection describes the materials and apparatus used in the experiment. It calls for detailed information on all devices and techniques used to collate data, measure suitable variables, and reach analysis, including tests and surveys. You must include a proper count of the number of apparatus used, their names, model number, manufacturer, reliability, and validity. For surveys, including the meaning of the formats used and the number of questions asked.

A survey that consisted of 15 multiple-choice questions was carried out to determine the safety of female students on the school campus. The participants were asked to answer the questions using a 5-point grading system (1 = Extremely True and 5 = Extremely False).

This includes the conditions in which data was collated, instructions given to the participants, and data analysis methods.

The two groups of participants were placed in two different classrooms at individual desks and given 10 minutes to answer the questions. They were instructed to give the first answers they thought of without thinking too deeply. Each group had a supervisor attached to it.

Writing a research paper requires a great deal of skill and knowledge, so if you need help compiling the Methods section of your paper, consider using a professional coursework writing service to help you.

Advice On How to Write the Methods Section

You already know the relevance of the Methods part to your research paper. Additionally, you must adhere to formatting guidelines specific for your field.

If you cannot write according to standards, you can use a research paper writing service to get good results. Go for one with good reviews and a super online reputation.

Here are some more tips for a concise and meticulously written Methodology:

• Method Introduction: Begin the section on methodology by introducing the methods used in the research. Provide a brief overview of the research design and the data collection and analysis techniques used.
• Methodological Connection: Establish the connection between the methodology and the research query.
• Instrument Introduction: Introduce the instruments used to assemble data, such as surveys, interviews, or observation. Provide a brief description of each instrument and how it will be used in the study.
• Analysis Discussion: Discuss the analysis techniques used to analyze the data collected. Explain how the data will be organized, coded, and analyzed to address the research query.
• Background Information: Provide background information about the methodology and the relevant literature. Explain how the methodology fits into the broader context of the research area and what it contributes to the current understanding of the topic.
• Sampling Process: Discuss the sampling process used in the study. Explain how the sample was selected, what criteria were used, and how the samples taken were determined.
• Limitations: It was required to discuss any research constraints in the past tense, such as limited sample sizes, issues with the data collection process, or issues with the analysis methods employed. Researchers had to explain how these constraints might have affected the study’s findings and conclusions.

Methods and Results Should Match

In the Methods section, the results obtained should be discussed based on the experimental procedures used. Explain the methodology behind the techniques used to acquire all the observations and results of the experiment in the right order. You can create a detailed flowchart or block flow diagram (BFD) to easily describe the complexities of the study and its procedures to the reader.

Preparing the Statistical Methods Subsection

The statistical analysis subsection comes at the end of the Methods section. It includes a thorough description of the analyzed data to arrive at the results and conclusion. Due to its technicality, it might be a little difficult and daunting to write. If this is the case, you can get the statistician who participated in the study to write it.

Here, you must indicate all the data variables, including the control variables, dependent and independent variables, and any potentially irrelevant variables that could affect your results and conclusion. Specify the exact tests carried out on the different types of data you have, the requirements you tested, like distribution normality, and all assumptions you initially applied.

You should also include all data alterations, possible mix-ups, confidence intervals or significance levels used, techniques for data analysis, and ensuing statistical tests that were employed. Furthermore, specify any criteria particular to the experiment, like set baselines and any specific software used to conduct the statistical analysis.

The Style of the Methodology

As mentioned earlier, it aims to explain how and why the experiment was carried out so that readers can understand it and possibly repeat the procedure.

Therefore, it is essential to be aware of your audience so you can modify your writing based on what they know and explain technical terms where necessary. If you are finding it difficult to write in the appropriate style, you can buy a research paper written by writers. You can find these writers on several platforms for college essays.

The methodology should read as though you describe the experiment to your reader. For this reason, it should be worded in third-person constructs and a passive voice. For example, you should use “We carried out a survey” and not “I carried out a survey.” Since the experiment has already been carried out, you must write the entire section in the past tense.

Key Information to Include in Methodology

Now you know what the Methods section is, what information must be included in this segment of your paper? Here’s a summary of the things you need to include:

• Literature review . The sources that helped in the methods are cited under this heading.
• Research participants. This includes all information about the study participants, including compensations, mode of selection, and demographics.
• Criteria for inclusion or exclusion include the factors determining what participants were eliminated and why.
• Grouping conditions are the factors determining the subgrouping of the chosen participants.
• Procedures. These are the conditions under which the experiment was carried out.
• Materials and apparatus. These include all devices, equipment, reliability, and validity.
• Statistical analysis. This is detailed information about the data, measured and analyzed, and the tests carried out.

Helping Hand in Writing Methodology Chapter

It can be challenging for researchers to adequately describe their study methodologies and strategies when writing the methodology chapter of a research report. Organizing and presenting complex material, retaining clarity and conciseness, and describing technical processes or approaches are among the usual difficulties.

To overcome these challenges, researchers can consider seeking feedback from peers, utilizing a https://papersowl.com/ or editor, and thoroughly reviewing and revising their methodology chapter multiple times. With the help of an essay writing service, you can ensure that your research paper is accurate and successful.

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How to Master the Methods Section of Your Research Paper

The Methods section is a fundamental component of any research paper, playing a crucial role in establishing the validity and reliability of your study. It serves as a detailed roadmap of the research process that you undertook, providing sufficient information for the replication of the study. An effectively written Methods section can enhance the impact and credibility of your research, giving your readers a clear understanding of how your findings were achieved.

The methods section essentially answers the questions:

• What did you do?
• How did you do it?
• What tools and procedures did you use?
• And how did you analyze the data you collected?

Providing thorough responses to these questions, it typically includes detailed descriptions of your research design , participants or subjects of study, equipment or materials used, the procedures you followed, and the statistical methods applied for data analysis.

In the following sections, we'll delve into each of these elements, providing you with a comprehensive guide on how to craft a compelling, informative, and rigorous Methods section for your research paper.

Understanding the purpose of the methods section

Adding validity and credibility to the research.

The Methods section plays a pivotal role in adding validity and credibility to your research. By detailing the procedures you used, it allows readers to evaluate the soundness of your methodology. A well-written Methods section makes your research transparent, enabling others to understand exactly what you did and how you did it. This transparency not only adds to the credibility of your work but also allows for an accurate evaluation of the results. The Methods section is where you demonstrate that your research has been conducted in a rigorous, systematic, and ethical manner.

Enabling replication of the study

Perhaps one of the most crucial roles of the Methods section is to allow other researchers to replicate your study. Replication is a key aspect of scientific research - it's how we ensure that findings are not mere flukes or products of bias. By providing a clear and detailed description of your methodology, others can repeat your study under the same conditions to see if they achieve similar results. This not only reinforces the robustness of your own research but also contributes to the collective knowledge in your field. Consequently, the Methods section must be thorough and precise, ensuring that every step of your process can be duplicated accurately.

Deciding what to include in your methods section

Elements to include in the methods section.

The Methods section should provide a clear and comprehensive account of how you conducted your study. The content can vary depending on your field of study and the nature of your research, but typically, you should include the following elements:

• Participants: Describe who took part in your study. This might include details about their demographics (age, gender, etc.), how they were selected, and how they were assigned to groups in the case of experimental research.
• Materials and Equipment: Detail the materials or equipment you used during your study. This can range from lab equipment in a scientific study, surveys or tests in a social science study, to software and data sources in a computational study.
• Procedure: Give a step-by-step account of what you did during your study. This should be detailed enough to enable another researcher to replicate your study exactly.
• Data Analysis Methods: Explain how you analyzed your data. This might include statistical analysis methods, coding procedures for qualitative data , or computational algorithms.

Balancing detail and brevity

While it's important to provide enough detail in your Methods section to allow for replication, it's also crucial to avoid including unnecessary or irrelevant information. Striking a balance between detail and brevity is key. You should aim to provide a complete account of your methodology without getting lost in minute details that don't significantly impact the understanding or replication of your research.

Ask yourself, "Would including this detail enhance the understanding of my study or the ability to replicate it?" If the answer is no, you can likely leave that detail out. Remember, the goal is to provide a thorough, yet concise and readable account of your research methods .

Writing the participants section

Describing the participants.

In describing your participants, or subjects, it's essential to provide clear demographic information. This includes, but is not limited to, aspects like age, sex, ethnicity, occupation, education level, or any other characteristic relevant to your study. These details help provide context and allow readers to understand who your research is applicable to. For instance, a study involving only teenagers will have different implications than one involving adults.

Discussing selection and assignment to groups

The process of participant selection and assignment to groups is fundamental to many research studies, especially those involving experimental design. You should describe how you recruited your participants (e.g., through random sampling, convenience sampling, etc. ), and how they were assigned to different conditions or treatment groups if applicable. This might include a description of any randomization or matching procedures used. Clarity in this section bolsters the transparency and replicability of your study.

Ethical considerations in participant selection and treatment

It's also vital to discuss any ethical considerations related to your participants. This includes obtaining informed consent, ensuring participant privacy and confidentiality, and minimizing potential harm. If your study was reviewed and approved by an Institutional Review Board (IRB) or Ethics Committee, mention this in your Methods section. It's also appropriate to detail any steps you took to minimize potential bias or discrimination in participant selection. This not only demonstrates your commitment to ethical research practices but also contributes to the credibility of your study.

Writing the materials and equipment section

Detailing materials and equipment used in the study.

When detailing the materials and equipment used in your study, it's important to be as specific and precise as possible. This might include the make and model of equipment, the type and source of materials, and even the versions of software packages used. These specifics enable replication and also allow other researchers to understand the tools that contributed to your findings. This part of the Methods section might vary significantly depending on your field of research. For example, a biology study might detail the type of microscopes used, whereas a psychology study could discuss specific psychometric tests.

Providing information about unique or unusually used tools

If you used special or unique tools, or if you used standard tools in an unusual way, this should be clearly specified in the Materials and Equipment section. Describe these tools or methods in detail, and explain why they were necessary for your study. If a tool is rare or specialized, consider providing a citation or source where readers can learn more about it. If a standard tool was used in a novel or unconventional way, explain what you did and why. This not only adds interest to your paper, but also contributes to the complete understanding and potential replication of your research. Remember, transparency is key in this section, as it helps enhance the credibility of your study and its findings.

Writing the procedure section

Importance of including each step taken during the study.

The Procedure section serves as a step-by-step guide to your study, detailing each phase from start to finish. The significance of this section cannot be overstated, as it offers a comprehensive look at the "how" of your research. Each step you took, every decision you made, and all procedures you followed should be recorded in this section. This level of detail not only supports your study's validity but also enables others to replicate your study accurately, fostering scientific transparency.

Tips for writing clearly and concisely, yet with enough detail for replication

When detailing your procedures, clarity and conciseness are key. Strive to describe your methods in a way that's straightforward and easy to follow. Avoid jargon where possible, and when it's unavoidable, make sure to provide clear definitions.

Remember, while conciseness is important, so too is the inclusion of sufficient detail to allow for replication. One approach to ensuring the right level of detail is to write as though you are explaining your study to another researcher in your field. They should be able to read your Procedure section and know exactly how to carry out your study.

Considerations for describing experimental and control conditions

If your study involved experimental and control conditions, these should be described with particular care. Detail the experimental procedures, clearly stating what distinguishes the experimental group from the control group. This includes any stimuli or treatments that were administered, as well as how, when, and where they were delivered. In addition, it's essential to articulate any measures that were taken to minimize the effects of confounding variables. This precise detailing underscores the reliability of your research and enhances the likelihood of accurate replication.

Writing the data analysis section

Describing the statistical or other methods used to analyze the data.

In the Data Analysis section, your aim should be to clearly describe the statistical or other methods you used to analyze your data. Include specifics about the tests used, the software employed, and the reasoning behind choosing these particular methods. For statistical tests, mention the test name, the variables it was used for, and any specific variations of the test that were applied. If you conducted qualitative analysis, explain the coding process, thematic analysis, or other methods used. Providing this level of detail allows other researchers to assess the appropriateness and rigor of your data analysis.

Importance of including all steps of the analysis, not just the final results

Remember that the Data Analysis section is not just about presenting the final results, but also about revealing the process you used to get there. Including each step of your analysis provides a complete picture of your research journey and ensures that your methodology can be accurately replicated and evaluated by others. Whether it involves data cleaning, variable coding, preliminary analyses, or specific sequences of statistical tests, all these details contribute to the overall transparency of your research.

Explaining any adjustments for potential biases or confounds

Lastly, be sure to explain any adjustments or corrections you made to account for potential biases or confounding variables in your data. This may include controlling for certain variables, dealing with missing data, or using specific statistical techniques to address these issues. Clearly articulating these adjustments enhances the reliability and validity of your findings, and also provides a more comprehensive understanding of your research approach. This is also where you can discuss the limitations of your study and how you accounted for them in your analysis.

Common mistakes and how to avoid them

Typical errors in the methods section.

One common mistake in writing the Methods section is providing too little detail. A lack of specificity can make it difficult for others to replicate your study or fully understand your process. On the other hand, including too much detail, particularly irrelevant information, can dilute the focus of your Methods section and confuse your readers.

Another common error is forgetting to include important steps, such as the processes for data cleaning, preprocessing, or certain aspects of participant recruitment and management. Also, failing to adequately discuss ethical considerations, when relevant, can negatively impact the perceived credibility of your research.

Tips and strategies for avoiding these mistakes

In order to effectively avoid common errors when writing the Methods section of your research paper, consider implementing the following strategies:

• Create a Detailed Outline: Begin by outlining your Methods section in detail. This will help you ensure that all important elements of your research process are captured and not forgotten in the final write-up.
• Strive for Balance: Aim for a balance between brevity and comprehensiveness. Remember, your primary objective is to provide enough information so that someone else can replicate your study.
• Review for Relevance: After drafting your section, review it to ensure that all included information is relevant and necessary. If certain details do not directly contribute to understanding your method or facilitating replication, consider removing them.
• Include Ethical Considerations: Ethics are a crucial aspect of any research. Therefore, remember to discuss any ethical considerations and approvals related to your study.
• Get Feedback: Have colleagues or mentors review your Methods section. They can offer valuable feedback and catch any errors or omissions you may have overlooked. It's always beneficial to have another pair of eyes on your work.

Sample methods sections and analysis

Consider the following examples of well-written methods sections from different fields of study. These fictional examples illustrate the important elements discussed above:

Psychology study example

In this study, 100 undergraduate students (50 males and 50 females, aged 18-25) were randomly selected from XYZ University. The selection criteria included full-time enrollment status and willingness to participate in the study. All participants provided informed consent prior to participation, and the study received ethical approval from the University's Institutional Review Board.

The instruments used included a demographic questionnaire, the Big Five Personality Test, and an academic performance survey. The demographic questionnaire gathered data on participants' age, gender, major, and year in college. The Big Five Personality Test, a validated and reliable instrument, was used to assess participants' personality traits. Academic performance was gauged through self-reported grade point averages (GPAs).

The experiment was conducted in a quiet and well-lit room. Participants first completed the demographic questionnaire, followed by the personality test. Afterward, they reported their GPAs on the academic performance survey. All responses were recorded anonymously to protect participant confidentiality.

The data were analyzed using SPSS software, version 24. Pearson's correlation coefficient was used to assess the relationship between personality traits and academic performance.

Psychology study example analysis

The above example illustrates several good practices in writing a methods section.

• Clear description of participants: The researcher clearly stated the number, gender distribution, and age range of the participants, and also mentioned the selection criteria.
• Detailed information about materials: The researcher named the tests and surveys used and briefly described what they measure.
• Transparent procedure: The researcher provided a step-by-step guide to how the experiment was conducted, ensuring that it could be replicated by others.
• Explanation of data analysis: The researcher stated which software was used and what statistical tests were performed.

Environmental science study example

For this study, soil samples were collected from 10 different locations within the ABC National Park. The locations were chosen to represent a variety of habitats within the park, including grassland, wetland, and forest areas. The study was conducted in the spring season to ensure consistency in environmental conditions.

At each location, five soil samples were taken using a standard soil corer. The samples were taken from the top 10 cm of the soil, as this is where the majority of biological activity typically occurs. Each sample was immediately sealed in a sterile container to prevent contamination.

Back in the lab, the soil samples were analyzed for nutrient content and microbial diversity. Nutrient content, including levels of nitrogen, phosphorus, and potassium, was measured using a soil nutrient testing kit from XYZ Company. Microbial diversity was assessed through DNA extraction and sequencing, using the DEF DNA extraction kit and the GHI sequencing platform.

The collected data were then analyzed using the JKL statistical software package. A one-way ANOVA was used to compare nutrient levels between the different habitats, while microbial diversity was evaluated using a diversity index.

In all cases, appropriate precautions were taken to minimize potential contamination and to ensure the accuracy of our measurements. This study was approved by the ABC National Park's Research Review Board.

Environmental science study example analysis

This example effectively demonstrates the correct structure and content for a methods section in environmental science.

• Clear explanation of sample collection: The researcher has detailed where, when, and how the soil samples were collected.
• Transparent process of sample analysis: The specific procedures and equipment used for analyzing the samples are clearly outlined, providing potential for replication.
• Methodical data analysis: The use of specific software and statistical tests is mentioned, providing clarity on how results were derived.

Linguistics study example

For this study, the use of passive voice in academic writing across disciplines was investigated. A corpus of 500 peer-reviewed journal articles was created, comprising 100 articles from each of the following disciplines: Social Sciences, Humanities, Natural Sciences, Applied Sciences, and Formal Sciences. Articles were selected randomly from journals indexed in the ABC Database from the year 2022.

The data collection tool was a script written in Python, utilizing the Natural Language Toolkit (NLTK) for text processing and analysis. The script identified and counted instances of passive voice in each article.

The articles were processed one by one, first being converted into plain text files to allow for easy processing. The Python script then ran on each text file, analyzing and storing the data on passive voice usage. This process was automated to minimize errors and ensure consistency.

For data analysis, the counts of passive voice instances were normalized by the total word count of each article to account for variations in article length. The differences in passive voice usage across disciplines were then statistically analyzed using a Chi-square test in the R software environment.

All procedures in this study were designed with consideration to copyright and fair use policies. The Python script used for this study is openly available for other researchers to use and modify.

Linguistics study example analysis

This example demonstrates effective writing of a methods section in a Linguistics study.

• Detailed description of the corpus: The researcher clearly defined the source and composition of the corpus, including the number of texts and their disciplinary distribution.
• Explanation of data collection tool and process: The researcher explained the software and process used for text analysis, providing enough detail for replication.
• Transparent data analysis: The researcher mentioned how they accounted for variations in article length and which statistical test was used for analysis.

Remember, although methods sections will differ across disciplines, they all should provide a clear, concise, and replicable roadmap of the research process.

The methods section of a research paper is a critical component that adds credibility to your research and allows others to replicate and verify your study. It involves providing detailed descriptions of the participants, materials and equipment used, the procedures followed, and the methods of data analysis.

While the exact content may vary depending on your research design and field of study, a well-crafted methods section will always focus on clarity, comprehensiveness, and transparency. The examples provided in this post illustrate good practices in diverse fields and can serve as a guide for you to construct your own.

Avoid common errors by creating a detailed outline, striving for balance in information, reviewing for relevance, including ethical considerations, and getting feedback from colleagues or mentors.

With these steps, you'll be well on your way to writing a high-quality methods section that bolsters your research paper's integrity and contributes meaningfully to your field.

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How to write the methods section of a research paper

Affiliation.

• 1 Respiratory Care Services, San Francisco General Hospital, NH:GA-2, 1001 Potrero Avenue, San Francisco, CA 94110, USA. [email protected]
• PMID: 15447808

The methods section of a research paper provides the information by which a study's validity is judged. Therefore, it requires a clear and precise description of how an experiment was done, and the rationale for why specific experimental procedures were chosen. The methods section should describe what was done to answer the research question, describe how it was done, justify the experimental design, and explain how the results were analyzed. Scientific writing is direct and orderly. Therefore, the methods section structure should: describe the materials used in the study, explain how the materials were prepared for the study, describe the research protocol, explain how measurements were made and what calculations were performed, and state which statistical tests were done to analyze the data. Once all elements of the methods section are written, subsequent drafts should focus on how to present those elements as clearly and logically as possibly. The description of preparations, measurements, and the protocol should be organized chronologically. For clarity, when a large amount of detail must be presented, information should be presented in sub-sections according to topic. Material in each section should be organized by topic from most to least important.

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Writing a scientific paper.

• Writing a lab report
• INTRODUCTION

Writing a "good" methods section

"methods checklist" from: how to write a good scientific paper. chris a. mack. spie. 2018..

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The purpose is to provide enough detail that a competent worker could repeat the experiment. Many of your readers will skip this section because they already know from the Introduction the general methods you used. However careful writing of this section is important because for your results to be of scientific merit they must be reproducible. Otherwise your paper does not represent good science.

• Exact technical specifications and quantities and source or method of preparation
• Describe equipment used and provide illustrations where relevant.
• Chronological presentation (but related methods described together)
• Questions about "how" and "how much" are answered for the reader and not left for them to puzzle over
• Discuss statistical methods only if unusual or advanced
• When a large number of components are used prepare tables for the benefit of the reader
• Do not state the action without stating the agent of the action
• Describe how the results were generated with sufficient detail so that an independent researcher (working in the same field) could reproduce the results sufficiently to allow validation of the conclusions.
• Can the reader assess internal validity (conclusions are supported by the results presented)?
• Can the reader assess external validity (conclusions are properly generalized beyond these specific results)?
• Has the chosen method been justified?
• Are data analysis and statistical approaches justified, with assumptions and biases considered?
• Avoid: including results in the Method section; including extraneous details (unnecessary to enable reproducibility or judge validity); treating the method as a chronological history of events; unneeded references to commercial products; references to “proprietary” products or processes unavailable to the reader. 
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Materials and Methods Examples and Writing Tips

Abstract | Introduction | Literature Review | Research question | Materials & Methods | Results | Discussion | Conclusion

In this blog, we look at how to write the materials and methods section of a research paper. In most research papers, the materials and methods section follows the literature review section. This is generally the easiest section to write because you are simply reproducing what you did in your experiments. It is always a good idea to start writing your research paper with the materials and methods section.

1. What is the purpose of the materials and methods section?

Materials and methods should describe how you did your research and detail the experimental procedure. One of the most important things to bear in mind while writing the materials and methods section is that it should have enough detail so that other researchers in your field can replicate your experiments and reproduce your results.  You should provide all the steps in a logical order so that your readers can follow your description easily.

2. Materials and Methods Examples

The structure of the methods section will very much depend on your discipline. If you are not sure about the structure, then the best place to start will be to go through the methods section of some previously published papers from your chosen journal. We will look at some examples of materials and methods structure in different disciplines. 

2.1. Materials & methods example #1 (Engineering paper)

If you are writing an engineering sciences research paper in which you are introducing a new method, your materials and methods section would typically include the following information.

You can start with the top-level summary of the method. You can try to answer these questions. Are you proposing a new method? Or,  Are you using a standard method from the literature?  Or, Are you extending a previously published method? If so, is it your previous work? or work published by a different author?

Then you can talk about the reasons for choosing this method. You can quote previous papers that have used this method successfully to support your arguments. Then, you can talk about the actual implementation details of the methods.

Then you can talk about how the methods were validated to confirm that they are suitable for your research. You can also include information about any pilot or preliminary studies you conducted before the full study. Then you can explain how you propose to test and evaluate the methods to prove that they are better than the existing methods. Here, you can talk about metrics and statistical tests you will be using to evaluate your method.

2.2. Materials & methods example #2 (Measurement paper)

If you are writing a paper that deals with measurements, you would typically include the following information in your materials and methods section.

You can start by talking about the experimental setup. You can try to answer these questions. What equipment was used to perform the measurements? What was the make and the model of the equipment?  How many technicians took the measurements?  How experienced were the technicians?

Then you can talk about the parameters that were measured during the experiment. Then you can talk about the actual measurement procedure. How were the samples prepared for the measurements?  How many measurements were taken? Were the measurements repeated for consistency? Was there a time interval between successive measurements?

Then you can talk about measurement conditions and constraints. Were the measurements performed at room temperature or under special conditions? Were there any practical difficulties while performing the measurements, if so, how did you overcome them?

Most importantly, you must list all the calculations in the form of detailed equations and formulas so that readers know exactly how the data was produced.

2.3. Materials & methods example #3 (Survey questionnaire paper)

If you are writing a survey questionnaire paper , you would typically include the following information in your materials and methods section.

You can start by talking about your participants. Who is your target population? What are their demographics? How did you recruit them?  How did participants provide consent for your study? What sampling method did you use to select the participants?

Then you can talk about the survey type. Was it a phone interview? Was it a personal interview? Was it an online survey? Or, Was it a written survey?

Then you can talk about the questionnaire design. How did you choose the questions? How many questions were there? What type of questions were they? Were they open ended questions, or close ended questions, or rating scale questions, or a mixture of different types of questions?

Then you can talk about how the questionnaire was administered. If it is an online survey, how did you get the questionnaire to the participants? Did you email them? Or did you post the survey forms?

If you are doing a personal interview. How did you conduct the interviews? Was it one to one interview, or was it done in batches, or did you use focus groups? How did the participants behave during the interview?

Then you can talk about questionnaire testing. Did you test your questionnaire before the main study? Did you have to make any changes after initial testing?  Did you have to translate the questionnaire into multiple languages? Then finally you can talk about different types of statistical tests you used to analyze the survey responses.

2.4. Materials & methods example #4 (Medical clinical trial paper)

If you are writing a medical research paper , your materials and methods section would typically include the following information.

You can start by providing information about the study design. Was it a randomized trial, or an observational trial? Was it a prospective study, or a retrospective study? Was the study double-blinded, or single-blinded?

Then, you can talk about how the ethical approval was obtained for the study and clarify if the clinical trial was registered. if so, then provide the registration number.

Then, you can talk about how the participants were recruited for the study, and explain the inclusion and exclusion criteria. Then, you can talk about how the participants were grouped into control and placebo groups, and explain how the medication was administered.

Then, you can talk about what outcomes were measured. What was the primary outcome? What was the secondary outcome? What was the follow up period? You can try to answer these questions. Then you can finish off with some information about the statistical tests you used to analyze the data.

3. Frequently Asked Questions

One of the common mistakes people make is using vague language in materials and methods. Reviewers won’t like it, and they will reject the paper on the basis that the section is not elaborate enough for other researchers to reproduce your experiments.

Make sure you write the materials and methods section in past tense, since you are reporting something that has already happened.

Acronyms & Abbrevations: Try to use acronyms and abbreviations for long method names. Abbreviations and acronyms are a great way to make your writing concise and save time. Define the acronyms and abbreviations during their first occurrence then use the short form in the rest of the text. The common practice is to put the acronym and abbreviations in parentheses after the full term.

Use different layouts: Another problem you are likely to face is that your methods section can sound like manual if you have too much text in it. In particular, if you are dealing with a very complex procedure, the readers might find it dry and tedious. So try to provide some variety to the layout. Try to use bullet points and numberings instead of long paragraphs to make it easy for the readers to understand the procedure. You can use flow diagrams to illustrate the process rather than describing it.

When you are using a standard method that is well described in literature, the standard practice is to reference the paper rather than repeating the entire procedure. You can also provide a brief summary of the procedure in your own words.

For example, you can say something like this, “The details of the procedure have been reported previously in…”, and reference the previous paper. And then, you can follow it up with a brief summary of the method from the previous paper.

If you are extending a previous method, then you can do something like this. You can say that, “Some minor modifications were made to the method described in…” and reference the previous paper.  And then, you can follow it up with the list of refinements you made to the previous method in order to adapt it to your work.

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