how to support thesis

While Sandel argues that pursuing perfection through genetic engineering would decrease our sense of humility, he claims that the sense of solidarity we would lose is also important.

This thesis summarizes several points in Sandel’s argument, but it does not make a claim about how we should understand his argument. A reader who read Sandel’s argument would not also need to read an essay based on this descriptive thesis.  

Broad thesis (arguable, but difficult to support with evidence) 

Michael Sandel’s arguments about genetic engineering do not take into consideration all the relevant issues.

This is an arguable claim because it would be possible to argue against it by saying that Michael Sandel’s arguments do take all of the relevant issues into consideration. But the claim is too broad. Because the thesis does not specify which “issues” it is focused on—or why it matters if they are considered—readers won’t know what the rest of the essay will argue, and the writer won’t know what to focus on. If there is a particular issue that Sandel does not address, then a more specific version of the thesis would include that issue—hand an explanation of why it is important.  

Arguable thesis with analytical claim 

While Sandel argues persuasively that our instinct to “remake” (54) ourselves into something ever more perfect is a problem, his belief that we can always draw a line between what is medically necessary and what makes us simply “better than well” (51) is less convincing.

This is an arguable analytical claim. To argue for this claim, the essay writer will need to show how evidence from the article itself points to this interpretation. It’s also a reasonable scope for a thesis because it can be supported with evidence available in the text and is neither too broad nor too narrow.  

Arguable thesis with normative claim 

Given Sandel’s argument against genetic enhancement, we should not allow parents to decide on using Human Growth Hormone for their children.

This thesis tells us what we should do about a particular issue discussed in Sandel’s article, but it does not tell us how we should understand Sandel’s argument.  

Questions to ask about your thesis 

• Is the thesis truly arguable? Does it speak to a genuine dilemma in the source, or would most readers automatically agree with it?  
• Is the thesis too obvious? Again, would most or all readers agree with it without needing to see your argument?  
• Is the thesis complex enough to require a whole essay's worth of argument?  
• Is the thesis supportable with evidence from the text rather than with generalizations or outside research?  
• Would anyone want to read a paper in which this thesis was developed? That is, can you explain what this paper is adding to our understanding of a problem, question, or topic?
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Developing A Thesis and Supporting Auguments

TIP Sheet DEVELOPING A THESIS AND SUPPORTING ARGUMENTS

There's something you should know: Your college instructors have a hidden agenda. You may be alarmed to hear this-yet your achievement of their "other" purpose may very well be the most important part of your education. For every writing assignment has, at the least, these two other purposes:

To teach you to state your case and prove it in a clear, appropriate, and lively manner To teach you to structure your thinking.

Consequently, all expository writing, in which you formulate a thesis and attempt to prove it, is an opportunity to practice rigorous, focused thinking habits that can result not only in better papers, but in sharper analytical skills across the board.

This TIP Sheet addresses the following steps common to any kind of non-fiction writing:

Choosing a subject. Limiting your subject. Crafting a thesis statement. Identifying supporting arguments. Revising your thesis. Writing strong topic sentences that support the thesis.

It is during these early stages of writing, particularly in the identification of supporting arguments, that students are most likely to flounder and procrastinate, and when the strength of a paper's thesis is frequently diluted for lack of rigorous thinking. Here we will adapt Aristotle's method of "discovering arguments" to help identify and develop a strong thesis. You may adapt this method to any nonfiction writing, including essays, research papers, book reports, or critical reviews.

1. Choosing a Subject Suppose your instructor asks you to write an essay about a holiday experience. Within this general subject area, you choose a subject that holds your interest and about which you can readily get information: you were in downtown Chico on the morning of St. Patrick's Day and witnessed some unusual behavior–a melee broke out, resulting in injuries to bystanders and property damage to nearby cars. You wish to write about this.

2. Limiting Your Subject What will you name your topic? Clearly, "student behavior" is too broad; student behavior would necessarily include behavior by every kind of student, everywhere, at all times, and this could very well fill a book and require a master's degree in psychology. Simply calling your subject "St. Patrick's Day" would be misleading. You decide to limit the subject to "student behavior on St. Patrick's Day." After some thought, you decide that a better, more specific subject might be "unruly college student behavior such as that witnessed in front of La Salle's in downtown Chico last St. Patrick's Day." (Be aware that this is not the title of your essay. You will title it much later.) You have now limited your subject and are ready to craft a thesis.

3. Crafting a thesis statement While your subject may be a noun phrase such as the one above, your thesis must be a complete sentence that declares where you stand on the subject. A thesis statement should almost always be in the form of a declarative sentence. Suppose you believe that some of the student behavior in front of La Salle's on St. Patrick's Day was very bad; your thesis statement may be, "Student behavior such as demonstrated in front of La Salle's last St. Patrick's Day is an embarrassment to the college community." Or, conversely, perhaps you think the behavior of the students was just a little high-spirited, but not really so bad as the newspaper made it out to be. Your thesis might be, "A college town has to expect a certain amount of student glee on holidays such as St. Patrick's Day; cracked auto glass and a couple of bruises are a small price to pay for all the commerce college students bring to downtown."

4. Identifying supporting arguments Now you must gather material, or find arguments to support your thesis statement. Aristotle taught his students to examine any claim by "discovering arguments." You will use some of his techniques to formulate support for your claim. Brainstorm, adapting the questions below as a guide, and writing down even the ideas that don't appear to you very promising–you can sort through them later.

• Definition: What is good behavior? What is bad behavior? What is appropriate behavior on St. Patrick's Day? What is appropriate behavior in other settings?
• Comparison/Similarity: How was behavior last St. Patrick's Day similar to behavior in years past? How was behavior in front of La Salle's similar to behavior in other parts of downtown that day? How was this behavior similar to behavior in other college towns on that day?
• Comparison/Dissimilarity: How did behavior last St. Patrick's Day differ from behavior in years past? How did behavior in front of La Salle's differ from behavior in other parts of downtown that day? How did this behavior differ from student behavior in other college towns on that day?
• Comparison/Degree: To what degree was student behavior worse than in years past? To what degree was this behavior worse than in other parts of downtown? To what degree was this behavior worse than student behavior in other college towns?
• Relationship (cause and effect): What causes good behavior? What are the results of good behavior? What causes bad behavior? What are the results of bad behavior? What were the specific results of the behavior on St. Patrick's Day? What were the specific causes of the behavior on St. Patrick's Day?
• Circumstance: Has this kind of behavior occurred in the past? Should this behavior be permitted in the future? What is possible–that is, in this case, is it possible for students to behave appropriately even if bored, drunk, or provoked? Is it possible for downtown merchants and bystanders to absorb the costs of property damage?
• Testimony: What are the opinions of others about student behavior in front of La Salle's on St. Patrick's Day (for example, students who participated, students who observed, students who were injured, students who avoided downtown Chico altogether on St. Patrick's Day, city council members, the police chief, the proprietor of La Salle's, the owner of the damaged car, nearby business owners)?
• The Good: Would the results of enforced good conduct be "good"? Would the results of enforced good conduct cause unintended or unforeseen problems? What is fair to whom?
• The Expedient: Is it desirable to require better conduct next St. Patrick's Day? Should authorities force better conduct next year? Should St. Patrick's Day celebrations be cancelled? Should everyone just relax about this incident and let students celebrate? Should students be asked to improve their conduct voluntarily next year? Should Associated Students provide an education campaign about respect for others, provide alternative activities, or additional patrols?

After brainstorming, you should have lots of material to support a thesis statement.

5. Revising your thesis Notice that in the sentence above we used the phrase "a thesis statement" rather than "your thesis statement." This is because, as you examine your thesis statement through the Aristotelian method, you may discover that you were wrong. At this point, you should either revise your thesis or choose another subject and begin again. Revising your opinion in light of convincing evidence is the beginning of wisdom. Besides, even if it is possible to proceed with the essay as you first envisioned it, you will find it more difficult to defend a thesis you have previously discredited in your notes.

6. Crafting topic sentences that support the thesis Using ideas you gathered using Aristotle's method, construct three to five topic sentences that support your claim. These topic sentences will become the framework for the rest of your paper. You will further support each with examples and citations from personal interviews, newspaper articles, or other appropriate references.

The melee was not caused by the students themselves; rather, an elderly homeless man spat on someone's shoe, causing her to move away suddenly, and a chain reaction occurred in the line waiting to go into La Salle's. (from examination of Aristotle's Relationship and Testimony)

Additional policemen would only increase tension in the downtown area, making altercations more likely. (from examination of Aristotle's The Good and The Expedient)

Trying to keep college students away from downtown on holidays like this would cause lost revenues for downtown merchants. (from examination of Aristotle's The Expedient)

As you continue to draft your paper you will, of course, revise these sentences as necessary to more precisely reflect your ideas and the support you gather for them. By this time you should have a good knowledge of your subject and know where you want to go with it. It will now be possible for you to find enough additional supporting material to complete your essay.

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How to Write a Thesis: A Guide for Master’s Students

By Dr. David James Kritz   |  09/29/2023

Let’s face it. Researching and writing a quality thesis can be daunting for many reasons, including:

• A lack of knowledge on where to begin the assignment process
• What key arguments and questions to ask in relation to the thesis statement
• How to get to the data and subject matter
• How to cope with writer's block, a professor's expectations, and time constraints

According to Dictionary.com , a thesis is “a proposition stated or put forward for consideration, especially one to be discussed and proved or to be maintained against objections.”

Therefore, avoiding a weak thesis statement is vital when writing an applicable paper. Thesis statement examples are pivotal in understanding this position.

Currently, master’s students who select the thesis capstone within American Public University's School of Security and Global Studies intelligence master's degree program must choose a relevant subject.

Typically, these students must write a thesis statement that consists of at least one compelling sentence and at least 50 pages of content, then turn it in within 16 weeks.

I have taught graduate students, primarily from the U.S. Intelligence Community, how to conduct research for over eight years.

Based on my experience as an educator, I have 10 tips for creating good thesis statements. These tips, combined with some apt thesis statement examples, can elucidate the process.

Tip #1 for Effective Thesis Statements: Select an Appropriate Topic and Research Question

First, it is necessary to use a lengthy thinking process before developing a good thesis statement, whether it’s an expository thesis statement or an argumentative one. This process begins with many questions related to how to write a thesis statement, such as:

• What would be an interesting topic?
• What would be an original and interesting research question?
• What will be the main claim, key arguments, and central idea of the thesis statement?
• What is an appropriate research design?
• How will I get to the data to address my central research question?

Regardless of the thesis statement or topic, all research begins with a research question.

Without the right question, the analysis, literature review, and implications might miss their mark. This question should be unique, intriguing, and beyond a mere “yes” or “no” answer.

For instance, rather than asking, “Will Country X pursue nuclear proliferation?”, it's better to pose open-ended questions like, “How does…?” or “To what extent…?” Such an approach ensures nuanced and substantive answers.

Additionally, supplementary key questions should support the main research question's depth and intent.

Tip #2: Begin Work on the Thesis Statement and Break Up the Thesis into Manageable Sections

After selecting an appropriate topic and developing a central research question for the thesis statement, it is then necessary to apply the research and writing skills you have learned throughout your degree program.

It might be necessary to refine the thesis statement after some preliminary research; after all, you want a strong thesis statement rather than a weak thesis statement.

It is also essential to break up the thesis paper into manageable sections during the writing process. This strategy will help you to overcome the most common types of mental hurdle of creating a thesis paper that can be 50 or more pages in length.

For writing a thesis statement, this way of thinking is helpful before you begin writing. Instead of attempting to write every single sentence of a thesis statement in one long stretch, you can work on one section at a time, turn it in for review and work on the next section of the thesis statement while awaiting feedback.

Tip #3: Pay Attention to Your Professor's Feedback about Your Assignment

When I give my essay assignment to my students with advice on how to write a thesis, I also explain the importance of a strong thesis statement.

I advise them to avoid becoming emotionally attached to the thesis. That emotional attachment can lead to a battle of wills and wits with the capstone course's professor over the thesis statement examples they present.

When it comes to implementing feedback, revisions to the thesis paper often need to occur. Faculty members are there to help guide you and assist you in the production of a good-quality, argumentative thesis statement that will provide new insights for the reader.

Just go with the feedback you receive from your instructor as you write a sentence, or more, and move on to complete your thesis paper more efficiently.

Tip #4: Complete an Abstract

The abstract of a thesis is vital, so it must be carefully crafted. The abstract may be the only section of a published, scholarly paper or article that someone may take the time to read, based on their time constraints and interest.

Ideally, the abstract should be 250 words or less and must contain the main point of the paper. I advise students drafting an abstract for scholarly journal editors to ensure that the abstract has these elements:

An introductory sentence

A “hook” (why the reader should care about the thesis statement or its topic and to motivate the reader to look at your paper)

The central research question to show the main point of your paper

The research design – how you collected evidence to support your arguments

The results and implications, such as the negative and positive aspects of your main topic and the broader context of your research

Tip #5: Write the Literature Review

When crafting a literature review, incorporate multiple peer-reviewed articles from academic sources like ProQuest and EBSCOHost. Opt for articles frequently cited in other works to enhance your paper's credibility.

The review examines arguments in thesis statements and their counterarguments from scholarly works. For clear discussions, organize your review thematically, showing topic synthesis and your position. This reduces confusion.

For example, if 40 articles discuss open-source intelligence and seven focus on social media, that could be a central theme.

Rather than just listing articles, create broader themes and keep synthesizing. When crafting the thesis, evaluate each paragraph's relevance to the main research question. I advise students to assess the “So what?” factor. If a paragraph isn't pertinent, it might be best to remove it.

Tip #6: Develop a Theoretical Framework within Your Thesis Statement

Theories in theses are often mishandled, reflecting a student’s unclear grasp. Academic theory goes beyond mere "I have a theory" statements and leans on robust, time-tested frameworks.

For instance, a strategic intelligence studies thesis statement might employ national security theory or national defense theory. This theory should align with the thesis's central question.

For example, if probing how Country X uses social media for misinformation, a student might be directed to the communication theory, which aligns well with the study's main topic and question.

Tip #7: Select a Research Design

Before conducting research, students must devise a strategy to address their central question. The research design is their roadmap for data collection. This encompasses methodology, methods, and data gathering instruments like surveys or interviews. Research on humans requires IRB approval, which I advise against due to time constraints in a 16-week paper cycle. Additionally, it's vital to distinguish between “methodology” and “methods,” terms often mistakenly used interchangeably.

Methodology involves the justification of the how and why a research method was selected to address the central research question , according to Indeed. The three primary methodologies include:

• Qualitative methodology
• Quantitative methodology
• Mixed methods

“Mixed methods” involves a researcher’s use of at least one research method from a qualitative methodology and another research method from a quantitative methodology, then explaining how those methods will be integrated into a study.

But if two methods from the same methodology are used in a study, that is referred to as a multi-method approach. An example of a multi-method approach would be using a comparative case study as the first qualitative research method and process tracing as the second research method.

Research methods are linked to either qualitative or quantitative methodologies. They focus on “what” a researcher selected to interpret data.

Research method types include:

• Archival records
• Alternative futures
• Case studies
• Comparative case studies
• Content analysis
• Correlational research
• Descriptive research
• Ethnography
• Experimental research
• Phenomenology
• Process tracing

Tip #8: Write about Research Findings and Data

After gathering data for a thesis, analyzing its significance is crucial, with methods including coding. While qualitative methodology doesn't aim to prove anything, unlike the quantitative approach which tests hypotheses, it can discuss correlations, causation, and delve into theoretical implications in data.

Some may view qualitative research as subjective, but selecting variables in quantitative research has its subjectivity too. Ultimately, it's essential to adhere closely to the scientific method, rather than relying on opinions or claims without concrete evidence.

Tip #9: Consider How Bias Will Affect Your Thesis Statement

When writing thesis statements, it is necessary to consider how bias will affect your writing and your reader. Being 100% objective is an admirable goal, but it is impossible to avoid biases as we are human beings.

All of us have biases, including latent ones. At best, we can mitigate biases, such as using coding software, but never holistically remove bias. As researchers, we just need to be aware of biases and develop strategies to mitigate them.

Tip #10: Be Aware of the Limitations of a Study

The study's limitations section is a pivotal part of a thesis. It highlights the research's shortcomings and indicates what might be done differently.

For instance, a student may mention a 16-week time constraint or contemplate a different research design or question.

This section not only helps students recognize how to enhance their research but also guides future scholars. They can learn from prior omissions or envision alternative research avenues.

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Research Paper: A step-by-step guide: 3. Thesis Statement & Outline

• 1. Getting Started
• 2. Topic Ideas
• 3. Thesis Statement & Outline
• 4. Appropriate Sources
• 5. Search Techniques
• 6. Taking Notes & Documenting Sources
• 7. Evaluating Sources
• 8. Citations & Plagiarism
• 9. Writing Your Research Paper

About Thesis Statements

Qualities of a thesis statement.

Thesis statements:

• state the subject matter and main ideas of a paper.
• appear in the first paragraph and announces what you will discuss in your paper.
• define the scope and focus of your essay, and tells your reader what to expect.  
• are not a simple factual statement.  It is an assertion that states your claims and that you can prove with evidence.
• should be the product of research and your own critical thinking.
• can be very helpful in constructing an outline for your essay; for each point you make, ask yourself whether it is relevant to the thesis.

Steps you can use to create a thesis statement

1. Start out with the main topic and focus of your essay.

youth gangs + prevention and intervention programs

2. Make a claim or argument in one sentence.  It can be helpful to start with a question which you then turn into an argument

Can prevention and intervention programs stop youth gang activities?  How?  ►►►  "Prevention and intervention programs can stop youth gang activities by giving teens something else to do."

3. Revise the sentence by using specific terms.

"Early prevention programs in schools are the most effective way to prevent youth gang involvement by giving teens good activities that offer a path to success."

4. Further revise the sentence to cover the scope of your essay and make a strong statement.

"Among various prevention and intervention efforts that have been made to deal with the rapid growth of youth gangs, early school-based prevention programs are the most effective way to prevent youth gang involvement, which they do by giving teens meaningful activities that offer pathways to achievement and success."

5. Keep your thesis statement flexible and revise it as needed. In the process of researching and writing, you may find new information or refine your understanding of the topic.

You can view this short video for more tips on how to write a clear thesis statement.

An outline is the skeleton of your essay, in which you list the arguments and subtopics in a logical order. A good outline is an important element in writing a good paper. An outline helps to target your research areas, keep you within the scope without going off-track, and it can also help to keep your argument in good order when writing the essay.  Once your outline is in good shape, it is much easier to write your paper; you've already done most of the thinking, so you just need to fill in the outline with a paragraph for each point.

To write an outline: The most common way to write an outline is the list format.  List all the major topics and subtopics with the key points that support them. Put similar topics and points together and arrange them in a logical order.    Include an introduction, a body, and a conclusion. 

A list outline should arrange the main points or arguments in a hierarchical structure indicated by Roman numerals for main ideas (I, II, III...), capital letters for subtopics (A, B, C...), Arabic numerals for details (1,2,3...), and lower-case letters for fine details if needed (a,b,c...). This helps keep things organized.  

Here is a shortened example of an outline:

Introduction: background and thesis statement

I. First topic

1. Supporting evidence 2. Supporting evidence

II. Second Topic

III. Third Topic

I. Summarize the main points of your paper II. Restate your thesis in different words III. Make a strong final statement

You can see examples of a few different kinds of outlines and get more help at the Purdue OWL .

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Developing a Thesis Statement

Many papers you write require developing a thesis statement. In this section you’ll learn what a thesis statement is and how to write one.

Keep in mind that not all papers require thesis statements . If in doubt, please consult your instructor for assistance.

What is a thesis statement?

A thesis statement . . .

• Makes an argumentative assertion about a topic; it states the conclusions that you have reached about your topic.
• Makes a promise to the reader about the scope, purpose, and direction of your paper.
• Is focused and specific enough to be “proven” within the boundaries of your paper.
• Is generally located near the end of the introduction ; sometimes, in a long paper, the thesis will be expressed in several sentences or in an entire paragraph.
• Identifies the relationships between the pieces of evidence that you are using to support your argument.

Not all papers require thesis statements! Ask your instructor if you’re in doubt whether you need one.

Identify a topic

Your topic is the subject about which you will write. Your assignment may suggest several ways of looking at a topic; or it may name a fairly general concept that you will explore or analyze in your paper.

Consider what your assignment asks you to do

Inform yourself about your topic, focus on one aspect of your topic, ask yourself whether your topic is worthy of your efforts, generate a topic from an assignment.

Below are some possible topics based on sample assignments.

Sample assignment 1

Analyze Spain’s neutrality in World War II.

Identified topic

Franco’s role in the diplomatic relationships between the Allies and the Axis

This topic avoids generalities such as “Spain” and “World War II,” addressing instead on Franco’s role (a specific aspect of “Spain”) and the diplomatic relations between the Allies and Axis (a specific aspect of World War II).

Sample assignment 2

Analyze one of Homer’s epic similes in the Iliad.

The relationship between the portrayal of warfare and the epic simile about Simoisius at 4.547-64.

This topic focuses on a single simile and relates it to a single aspect of the Iliad ( warfare being a major theme in that work).

Developing a Thesis Statement–Additional information

Your assignment may suggest several ways of looking at a topic, or it may name a fairly general concept that you will explore or analyze in your paper. You’ll want to read your assignment carefully, looking for key terms that you can use to focus your topic.

Sample assignment: Analyze Spain’s neutrality in World War II Key terms: analyze, Spain’s neutrality, World War II

After you’ve identified the key words in your topic, the next step is to read about them in several sources, or generate as much information as possible through an analysis of your topic. Obviously, the more material or knowledge you have, the more possibilities will be available for a strong argument. For the sample assignment above, you’ll want to look at books and articles on World War II in general, and Spain’s neutrality in particular.

As you consider your options, you must decide to focus on one aspect of your topic. This means that you cannot include everything you’ve learned about your topic, nor should you go off in several directions. If you end up covering too many different aspects of a topic, your paper will sprawl and be unconvincing in its argument, and it most likely will not fulfull the assignment requirements.

For the sample assignment above, both Spain’s neutrality and World War II are topics far too broad to explore in a paper. You may instead decide to focus on Franco’s role in the diplomatic relationships between the Allies and the Axis , which narrows down what aspects of Spain’s neutrality and World War II you want to discuss, as well as establishes a specific link between those two aspects.

Before you go too far, however, ask yourself whether your topic is worthy of your efforts. Try to avoid topics that already have too much written about them (i.e., “eating disorders and body image among adolescent women”) or that simply are not important (i.e. “why I like ice cream”). These topics may lead to a thesis that is either dry fact or a weird claim that cannot be supported. A good thesis falls somewhere between the two extremes. To arrive at this point, ask yourself what is new, interesting, contestable, or controversial about your topic.

As you work on your thesis, remember to keep the rest of your paper in mind at all times . Sometimes your thesis needs to evolve as you develop new insights, find new evidence, or take a different approach to your topic.

Derive a main point from topic

Once you have a topic, you will have to decide what the main point of your paper will be. This point, the “controlling idea,” becomes the core of your argument (thesis statement) and it is the unifying idea to which you will relate all your sub-theses. You can then turn this “controlling idea” into a purpose statement about what you intend to do in your paper.

Look for patterns in your evidence

Compose a purpose statement.

Consult the examples below for suggestions on how to look for patterns in your evidence and construct a purpose statement.

• Franco first tried to negotiate with the Axis
• Franco turned to the Allies when he couldn’t get some concessions that he wanted from the Axis

Possible conclusion:

Spain’s neutrality in WWII occurred for an entirely personal reason: Franco’s desire to preserve his own (and Spain’s) power.

Purpose statement

This paper will analyze Franco’s diplomacy during World War II to see how it contributed to Spain’s neutrality.

• The simile compares Simoisius to a tree, which is a peaceful, natural image.
• The tree in the simile is chopped down to make wheels for a chariot, which is an object used in warfare.

At first, the simile seems to take the reader away from the world of warfare, but we end up back in that world by the end.

This paper will analyze the way the simile about Simoisius at 4.547-64 moves in and out of the world of warfare.

Derive purpose statement from topic

To find out what your “controlling idea” is, you have to examine and evaluate your evidence . As you consider your evidence, you may notice patterns emerging, data repeated in more than one source, or facts that favor one view more than another. These patterns or data may then lead you to some conclusions about your topic and suggest that you can successfully argue for one idea better than another.

For instance, you might find out that Franco first tried to negotiate with the Axis, but when he couldn’t get some concessions that he wanted from them, he turned to the Allies. As you read more about Franco’s decisions, you may conclude that Spain’s neutrality in WWII occurred for an entirely personal reason: his desire to preserve his own (and Spain’s) power. Based on this conclusion, you can then write a trial thesis statement to help you decide what material belongs in your paper.

Sometimes you won’t be able to find a focus or identify your “spin” or specific argument immediately. Like some writers, you might begin with a purpose statement just to get yourself going. A purpose statement is one or more sentences that announce your topic and indicate the structure of the paper but do not state the conclusions you have drawn . Thus, you might begin with something like this:

• This paper will look at modern language to see if it reflects male dominance or female oppression.
• I plan to analyze anger and derision in offensive language to see if they represent a challenge of society’s authority.

At some point, you can turn a purpose statement into a thesis statement. As you think and write about your topic, you can restrict, clarify, and refine your argument, crafting your thesis statement to reflect your thinking.

As you work on your thesis, remember to keep the rest of your paper in mind at all times. Sometimes your thesis needs to evolve as you develop new insights, find new evidence, or take a different approach to your topic.

Compose a draft thesis statement

If you are writing a paper that will have an argumentative thesis and are having trouble getting started, the techniques in the table below may help you develop a temporary or “working” thesis statement.

Begin with a purpose statement that you will later turn into a thesis statement.

Assignment: Discuss the history of the Reform Party and explain its influence on the 1990 presidential and Congressional election.

Purpose Statement: This paper briefly sketches the history of the grassroots, conservative, Perot-led Reform Party and analyzes how it influenced the economic and social ideologies of the two mainstream parties.

Question-to-Assertion

If your assignment asks a specific question(s), turn the question(s) into an assertion and give reasons why it is true or reasons for your opinion.

Assignment : What do Aylmer and Rappaccini have to be proud of? Why aren’t they satisfied with these things? How does pride, as demonstrated in “The Birthmark” and “Rappaccini’s Daughter,” lead to unexpected problems?

Beginning thesis statement: Alymer and Rappaccinni are proud of their great knowledge; however, they are also very greedy and are driven to use their knowledge to alter some aspect of nature as a test of their ability. Evil results when they try to “play God.”

Write a sentence that summarizes the main idea of the essay you plan to write.

Main idea: The reason some toys succeed in the market is that they appeal to the consumers’ sense of the ridiculous and their basic desire to laugh at themselves.

Make a list of the ideas that you want to include; consider the ideas and try to group them.

• nature = peaceful
• war matériel = violent (competes with 1?)
• need for time and space to mourn the dead
• war is inescapable (competes with 3?)

Use a formula to arrive at a working thesis statement (you will revise this later).

• although most readers of _______ have argued that _______, closer examination shows that _______.
• _______ uses _______ and _____ to prove that ________.
• phenomenon x is a result of the combination of __________, __________, and _________.

What to keep in mind as you draft an initial thesis statement

Beginning statements obtained through the methods illustrated above can serve as a framework for planning or drafting your paper, but remember they’re not yet the specific, argumentative thesis you want for the final version of your paper. In fact, in its first stages, a thesis statement usually is ill-formed or rough and serves only as a planning tool.

As you write, you may discover evidence that does not fit your temporary or “working” thesis. Or you may reach deeper insights about your topic as you do more research, and you will find that your thesis statement has to be more complicated to match the evidence that you want to use.

You must be willing to reject or omit some evidence in order to keep your paper cohesive and your reader focused. Or you may have to revise your thesis to match the evidence and insights that you want to discuss. Read your draft carefully, noting the conclusions you have drawn and the major ideas which support or prove those conclusions. These will be the elements of your final thesis statement.

Sometimes you will not be able to identify these elements in your early drafts, but as you consider how your argument is developing and how your evidence supports your main idea, ask yourself, “ What is the main point that I want to prove/discuss? ” and “ How will I convince the reader that this is true? ” When you can answer these questions, then you can begin to refine the thesis statement.

Refine and polish the thesis statement

To get to your final thesis, you’ll need to refine your draft thesis so that it’s specific and arguable.

• Ask if your draft thesis addresses the assignment
• Question each part of your draft thesis
• Clarify vague phrases and assertions
• Investigate alternatives to your draft thesis

Consult the example below for suggestions on how to refine your draft thesis statement.

Sample Assignment

Choose an activity and define it as a symbol of American culture. Your essay should cause the reader to think critically about the society which produces and enjoys that activity.

• Ask The phenomenon of drive-in facilities is an interesting symbol of american culture, and these facilities demonstrate significant characteristics of our society.This statement does not fulfill the assignment because it does not require the reader to think critically about society.

Drive-ins are an interesting symbol of American culture because they represent Americans’ significant creativity and business ingenuity.

Among the types of drive-in facilities familiar during the twentieth century, drive-in movie theaters best represent American creativity, not merely because they were the forerunner of later drive-ins and drive-throughs, but because of their impact on our culture: they changed our relationship to the automobile, changed the way people experienced movies, and changed movie-going into a family activity.

While drive-in facilities such as those at fast-food establishments, banks, pharmacies, and dry cleaners symbolize America’s economic ingenuity, they also have affected our personal standards.

While drive-in facilities such as those at fast- food restaurants, banks, pharmacies, and dry cleaners symbolize (1) Americans’ business ingenuity, they also have contributed (2) to an increasing homogenization of our culture, (3) a willingness to depersonalize relationships with others, and (4) a tendency to sacrifice quality for convenience.

This statement is now specific and fulfills all parts of the assignment. This version, like any good thesis, is not self-evident; its points, 1-4, will have to be proven with evidence in the body of the paper. The numbers in this statement indicate the order in which the points will be presented. Depending on the length of the paper, there could be one paragraph for each numbered item or there could be blocks of paragraph for even pages for each one.

Complete the final thesis statement

The bottom line.

As you move through the process of crafting a thesis, you’ll need to remember four things:

• Context matters! Think about your course materials and lectures. Try to relate your thesis to the ideas your instructor is discussing.
• As you go through the process described in this section, always keep your assignment in mind . You will be more successful when your thesis (and paper) responds to the assignment than if it argues a semi-related idea.
• Your thesis statement should be precise, focused, and contestable ; it should predict the sub-theses or blocks of information that you will use to prove your argument.
• Make sure that you keep the rest of your paper in mind at all times. Change your thesis as your paper evolves, because you do not want your thesis to promise more than your paper actually delivers.

In the beginning, the thesis statement was a tool to help you sharpen your focus, limit material and establish the paper’s purpose. When your paper is finished, however, the thesis statement becomes a tool for your reader. It tells the reader what you have learned about your topic and what evidence led you to your conclusion. It keeps the reader on track–well able to understand and appreciate your argument.

Writing Process and Structure

This is an accordion element with a series of buttons that open and close related content panels.

Getting Started with Your Paper

Interpreting Writing Assignments from Your Courses

Generating Ideas for

Creating an Argument

Thesis vs. Purpose Statements

Architecture of Arguments

Working with Sources

Quoting and Paraphrasing Sources

Using Literary Quotations

Citing Sources in Your Paper

Drafting Your Paper

Generating Ideas for Your Paper

Introductions

Paragraphing

Developing Strategic Transitions

Conclusions

Revising Your Paper

Peer Reviews

Reverse Outlines

Revising an Argumentative Paper

Revision Strategies for Longer Projects

Finishing Your Paper

Twelve Common Errors: An Editing Checklist

How to Proofread your Paper

Seeking Feedback from Others

Writing Collaboratively

Collaborative and Group Writing

Purdue Online Writing Lab Purdue OWL® College of Liberal Arts

Developing Strong Thesis Statements

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The thesis statement or main claim must be debatable

An argumentative or persuasive piece of writing must begin with a debatable thesis or claim. In other words, the thesis must be something that people could reasonably have differing opinions on. If your thesis is something that is generally agreed upon or accepted as fact then there is no reason to try to persuade people.

Example of a non-debatable thesis statement:

This thesis statement is not debatable. First, the word pollution implies that something is bad or negative in some way. Furthermore, all studies agree that pollution is a problem; they simply disagree on the impact it will have or the scope of the problem. No one could reasonably argue that pollution is unambiguously good.

Example of a debatable thesis statement:

This is an example of a debatable thesis because reasonable people could disagree with it. Some people might think that this is how we should spend the nation's money. Others might feel that we should be spending more money on education. Still others could argue that corporations, not the government, should be paying to limit pollution.

Another example of a debatable thesis statement:

In this example there is also room for disagreement between rational individuals. Some citizens might think focusing on recycling programs rather than private automobiles is the most effective strategy.

The thesis needs to be narrow

Although the scope of your paper might seem overwhelming at the start, generally the narrower the thesis the more effective your argument will be. Your thesis or claim must be supported by evidence. The broader your claim is, the more evidence you will need to convince readers that your position is right.

Example of a thesis that is too broad:

There are several reasons this statement is too broad to argue. First, what is included in the category "drugs"? Is the author talking about illegal drug use, recreational drug use (which might include alcohol and cigarettes), or all uses of medication in general? Second, in what ways are drugs detrimental? Is drug use causing deaths (and is the author equating deaths from overdoses and deaths from drug related violence)? Is drug use changing the moral climate or causing the economy to decline? Finally, what does the author mean by "society"? Is the author referring only to America or to the global population? Does the author make any distinction between the effects on children and adults? There are just too many questions that the claim leaves open. The author could not cover all of the topics listed above, yet the generality of the claim leaves all of these possibilities open to debate.

Example of a narrow or focused thesis:

In this example the topic of drugs has been narrowed down to illegal drugs and the detriment has been narrowed down to gang violence. This is a much more manageable topic.

We could narrow each debatable thesis from the previous examples in the following way:

Narrowed debatable thesis 1:

This thesis narrows the scope of the argument by specifying not just the amount of money used but also how the money could actually help to control pollution.

Narrowed debatable thesis 2:

This thesis narrows the scope of the argument by specifying not just what the focus of a national anti-pollution campaign should be but also why this is the appropriate focus.

Qualifiers such as " typically ," " generally ," " usually ," or " on average " also help to limit the scope of your claim by allowing for the almost inevitable exception to the rule.

Types of claims

Claims typically fall into one of four categories. Thinking about how you want to approach your topic, or, in other words, what type of claim you want to make, is one way to focus your thesis on one particular aspect of your broader topic.

Claims of fact or definition: These claims argue about what the definition of something is or whether something is a settled fact. Example:

Claims of cause and effect: These claims argue that one person, thing, or event caused another thing or event to occur. Example:

Claims about value: These are claims made of what something is worth, whether we value it or not, how we would rate or categorize something. Example:

Claims about solutions or policies: These are claims that argue for or against a certain solution or policy approach to a problem. Example:

Which type of claim is right for your argument? Which type of thesis or claim you use for your argument will depend on your position and knowledge of the topic, your audience, and the context of your paper. You might want to think about where you imagine your audience to be on this topic and pinpoint where you think the biggest difference in viewpoints might be. Even if you start with one type of claim you probably will be using several within the paper. Regardless of the type of claim you choose to utilize it is key to identify the controversy or debate you are addressing and to define your position early on in the paper.