critical thinking test for high school students

40 Critical Thinking Questions for High School Students

How is electricity being produced from rainwater or do aliens exist if there are so many discoveries about them? High school students are certain to come across queries that question reality, everyday rules, general human existence, or anything out of nowhere! 

Young minds are filled with an amazing potential to explore beyond their capabilities and hidden qualities. While high school students might question the existing realities of life, some students might not be aware of their imagination and thinking capacities. That is why it is important to nurture these growing minds with opportunities to question, understand, analyze, find evidence, and arrive at solutions. 

In this case, critical thinking questions act as a helpful way to offer an opportunity to broaden their minds to unlimited knowledge and endless possibilities. When students are given a chance to think beyond the ordinary, they experience a sense of freedom in thinking and expressing their views.

Through critical thinking questions, they receive a wonderful chance to analyze, decode the information, and present their views without being right or wrong. Hence, the below-mentioned questions are drafted in a way to initiate abstract and informative conversations thereby boosting critical thinking.

Brain teasing critical thinking questions for high schoolers

Critical thinking skills are essential for measuring the imagination and creativity of students. High school students are likely to use the new age information and influence of others when processing their thoughts. Hence, the below-mentioned questions are a great way to channel their thoughts in a more positively empowered learning environment.

• Do you think it is okay to give up your life if you had to save someone?
• If you could go to your past, what would you change?
• What is the joy of giving for you?
• What is better – giving or receiving? Why?
• If you can change some rules of the school, which ones would you change and why?
• What if you know your future? What does it look like from your perspective?
• What if you are dragged into a situation where you disagree with others?
• What would you do if you are given a task against your willingness to complete it?
• Would you like to do – go to your past or get to know your future? Why?
• What would you choose, 1 million dollars or a lifetime free education? Why?
• What is more important to you, knowledge or money?
• How can you leverage the benefits of social media and how?
• Do you think animals should be free or kept in a zoo?
• What does life look like on the Earth 100 years from now?
• Imagine a world without mobile phones. What would you do?
• If you could choose any profession in the world, what would you choose? Why?
• Would you rather devote your life to helping others through social activities or invest in building a business?
• What is the most important matter of concern that the world needs to address?
• Do you think the voting of high school students matters in Government concerns? Why?
• Which aspect plays a major role in the success of individuals?
• If you could change any one habit of your parents, what would it be?
• If you could travel to any place in the world, where would you go? Why?
• Imagine the world is facing a major power cut issue. What would you do and how would you face the situation?
• What is more important, offering a home to the needy or offering food to the needy on an everyday basis?
• How does the number 0 change life?
• Should teenagers be allowed to make major life decisions?
• Are friendships real in today’s world? 
• Does an influential person always influence others with actions and words?
• If animals could talk to you, who would you choose to talk to?
• What is the difference between happiness and achievements?
• Do you think success is the same as happiness? 
• Imagine you have only 24 hours left on Earth. How would you spend it?
• What if you are given the option to reside on another planet? What would you do and how?
• Would you forgive your best friend if he/she commits a crime and is found guilty?
• If your mother and best friend are sinking in two different boats and you have the opportunity to save anyone, who would you choose? Why?
• Imagine you are stranded on an island and have access to 5 things. Which 5 things would you choose?
• Which 3 elements make a stronger nation? Why?
• What are the disadvantages of growing up? How would you tackle them?
• Would you be blind or deaf? Why?
• What if you could donate 50% of your wealth and have free food for life? What would you do? 

Critical thinking in students: Why is it crucial?

High schoolers are on their way to exploring various subjects and acquiring knowledge from around the world. In such a phase, students must have the ability to think through things and make the right decision. Critical thinking empowers the brain to analyze and understand situations with complete evidence before concluding. Here’s how critical thinking shapes the life of high schoolers.

1. Develops Problem-Solving Skills

Students are sure to come across everyday problems and issues in their academic journey or personal life. While some students may develop stress, others might ignore it. However, the essence of critical thinking helps students solve these issues with intelligence. Whether it is figuring out about the project or solving an issue between friends, thinking and analyzing the possible solutions makes it easy to tackle situations. 

2. Enhances Creativity

The advertisements you see every day often talk about the problem and how a product solves it. That’s exactly why you need to develop critical thinking skills. When you can identify the core issue and arrive at solutions only then can you think out of the box. Critical thinking helps students be creative with their solutions and find a way out amidst challenges. 

3. Boosts Decision-Making Skills

With every project, assignment, or topic of your thesis , you need to take many decisions in the learning process. Here, critical thinking skills play a crucial role in helping you analyze, decode and disseminate information before making any decision. 

4. Builds Open-mindedness 

As growing individuals, it is important to be open-minded towards various problems and their suggestions. People who think critically are more likely to understand situations from different points of view. Hence, developing critical thinking skills helps you accept different perspectives and respect the opinions of others. The skill helps a long way when you need to work in a group on your projects. It is because you become capable of thinking from various perspectives. 

5. Goal Setting

Success comes with proper planning and execution of tasks. However, you cannot study history if you are weak at math. Similarly, you cannot aim for a 60% growth in your academics if you have been growing at a pace of 30% in each examination. Critical thinking enables you to think practically and map your way out to reach your goals. When you think critically and practically, you can analyze your strengths and weaknesses thereby setting goals accurately.

Critical thinking indeed plays an essential role in shaping the mindset of students and exposing them to different skills simply by developing this one. As you take advantage of the critical thinking questions, know that it is important to keep questioning students to initiate conversations.

Whether it is reflective questions or would you rather-questions , these questions enable them to think beyond their imagination and dive into a world of possibilities. Apart from this, you may also involve students in interactive discussions that boost critical thinking skills.

Sananda Bhattacharya, Chief Editor of TheHighSchooler, is dedicated to enhancing operations and growth. With degrees in Literature and Asian Studies from Presidency University, Kolkata, she leverages her educational and innovative background to shape TheHighSchooler into a pivotal resource hub. Providing valuable insights, practical activities, and guidance on school life, graduation, scholarships, and more, Sananda’s leadership enriches the journey of high school students.

Explore a plethora of invaluable resources and insights tailored for high schoolers at TheHighSchooler, under the guidance of Sananda Bhattacharya’s expertise. You can follow her on Linkedin

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Helping Students Hone Their Critical Thinking Skills

Used consistently, these strategies can help middle and high school teachers guide students to improve much-needed skills.

Critical thinking skills are important in every discipline, at and beyond school. From managing money to choosing which candidates to vote for in elections to making difficult career choices, students need to be prepared to take in, synthesize, and act on new information in a world that is constantly changing.

While critical thinking might seem like an abstract idea that is tough to directly instruct, there are many engaging ways to help students strengthen these skills through active learning.

Make Time for Metacognitive Reflection

Create space for students to both reflect on their ideas and discuss the power of doing so. Show students how they can push back on their own thinking to analyze and question their assumptions. Students might ask themselves, “Why is this the best answer? What information supports my answer? What might someone with a counterargument say?”

Through this reflection, students and teachers (who can model reflecting on their own thinking) gain deeper understandings of their ideas and do a better job articulating their beliefs. In a world that is go-go-go, it is important to help students understand that it is OK to take a breath and think about their ideas before putting them out into the world. And taking time for reflection helps us more thoughtfully consider others’ ideas, too.

Teach Reasoning Skills 

Reasoning skills are another key component of critical thinking, involving the abilities to think logically, evaluate evidence, identify assumptions, and analyze arguments. Students who learn how to use reasoning skills will be better equipped to make informed decisions, form and defend opinions, and solve problems. 

One way to teach reasoning is to use problem-solving activities that require students to apply their skills to practical contexts. For example, give students a real problem to solve, and ask them to use reasoning skills to develop a solution. They can then present their solution and defend their reasoning to the class and engage in discussion about whether and how their thinking changed when listening to peers’ perspectives. 

A great example I have seen involved students identifying an underutilized part of their school and creating a presentation about one way to redesign it. This project allowed students to feel a sense of connection to the problem and come up with creative solutions that could help others at school. For more examples, you might visit PBS’s Design Squad , a resource that brings to life real-world problem-solving.

Ask Open-Ended Questions 

Moving beyond the repetition of facts, critical thinking requires students to take positions and explain their beliefs through research, evidence, and explanations of credibility. 

When we pose open-ended questions, we create space for classroom discourse inclusive of diverse, perhaps opposing, ideas—grounds for rich exchanges that support deep thinking and analysis. 

For example, “How would you approach the problem?” and “Where might you look to find resources to address this issue?” are two open-ended questions that position students to think less about the “right” answer and more about the variety of solutions that might already exist. 

Journaling, whether digitally or physically in a notebook, is another great way to have students answer these open-ended prompts—giving them time to think and organize their thoughts before contributing to a conversation, which can ensure that more voices are heard. 

Once students process in their journal, small group or whole class conversations help bring their ideas to life. Discovering similarities between answers helps reveal to students that they are not alone, which can encourage future participation in constructive civil discourse.

Teach Information Literacy 

Education has moved far past the idea of “Be careful of what is on Wikipedia, because it might not be true.” With AI innovations making their way into classrooms, teachers know that informed readers must question everything. 

Understanding what is and is not a reliable source and knowing how to vet information are important skills for students to build and utilize when making informed decisions. You might start by introducing the idea of bias: Articles, ads, memes, videos, and every other form of media can push an agenda that students may not see on the surface. Discuss credibility, subjectivity, and objectivity, and look at examples and nonexamples of trusted information to prepare students to be well-informed members of a democracy.

One of my favorite lessons is about the Pacific Northwest tree octopus . This project asks students to explore what appears to be a very real website that provides information on this supposedly endangered animal. It is a wonderful, albeit over-the-top, example of how something might look official even when untrue, revealing that we need critical thinking to break down “facts” and determine the validity of the information we consume. 

A fun extension is to have students come up with their own website or newsletter about something going on in school that is untrue. Perhaps a change in dress code that requires everyone to wear their clothes inside out or a change to the lunch menu that will require students to eat brussels sprouts every day. 

Giving students the ability to create their own falsified information can help them better identify it in other contexts. Understanding that information can be “too good to be true” can help them identify future falsehoods. 

Provide Diverse Perspectives 

Consider how to keep the classroom from becoming an echo chamber. If students come from the same community, they may have similar perspectives. And those who have differing perspectives may not feel comfortable sharing them in the face of an opposing majority. 

To support varying viewpoints, bring diverse voices into the classroom as much as possible, especially when discussing current events. Use primary sources: videos from YouTube, essays and articles written by people who experienced current events firsthand, documentaries that dive deeply into topics that require some nuance, and any other resources that provide a varied look at topics. 

I like to use the Smithsonian “OurStory” page , which shares a wide variety of stories from people in the United States. The page on Japanese American internment camps is very powerful because of its first-person perspectives. 

Practice Makes Perfect 

To make the above strategies and thinking routines a consistent part of your classroom, spread them out—and build upon them—over the course of the school year. You might challenge students with information and/or examples that require them to use their critical thinking skills; work these skills explicitly into lessons, projects, rubrics, and self-assessments; or have students practice identifying misinformation or unsupported arguments.

Critical thinking is not learned in isolation. It needs to be explored in English language arts, social studies, science, physical education, math. Every discipline requires students to take a careful look at something and find the best solution. Often, these skills are taken for granted, viewed as a by-product of a good education, but true critical thinking doesn’t just happen. It requires consistency and commitment.

In a moment when information and misinformation abound, and students must parse reams of information, it is imperative that we support and model critical thinking in the classroom to support the development of well-informed citizens.

What is the Critical Thinking Test?

Critical thinking practice test, take a free practice critical thinking test, practice critical thinking test.

Updated November 16, 2023

The Critical Thinking Test is a comprehensive evaluation designed to assess individuals' cognitive capacities and analytical prowess.

This formal examination, often referred to as the critical thinking assessment, is a benchmark for those aiming to demonstrate their proficiency in discernment and problem-solving.

In addition, this evaluative tool meticulously gauges a range of skills, including logical reasoning, analytical thinking, and the ability to evaluate and synthesize information.

This article will embark on an exploration of the Critical Thinking Test, elucidating its intricacies and elucidating its paramount importance. We will dissect the essential skills it measures and clarify its significance in gauging one's intellectual aptitude.

We will examine examples of critical thinking questions, illuminating the challenging scenarios that candidates encounter prompting them to navigate the complexities of thought with finesse.

Before going ahead to take the critical thinking test, let's delve into the realm of preparation. This segment serves as a crucible for honing the skills assessed in the actual examination, offering candidates a chance to refine their analytical blades before facing the real challenge. Here are some skills that will help you with the critical thinking assessment: Logical Reasoning: The practice test meticulously evaluates your ability to deduce conclusions from given information, assess the validity of arguments, and recognize patterns in logic. Analytical Thinking: Prepare to dissect complex scenarios, identify key components, and synthesize information to draw insightful conclusions—a fundamental aspect of the critical thinking assessment. Problem-Solving Proficiency: Navigate through intricate problems that mirror real-world challenges, honing your capacity to approach issues systematically and derive effective solutions. What to Expect: The Critical Thinking Practice Test is crafted to mirror the format and complexity of the actual examination. Expect a series of scenarios, each accompanied by a set of questions that demand thoughtful analysis and logical deduction. These scenarios span diverse fields, from business and science to everyday scenarios, ensuring a comprehensive evaluation of your critical thinking skills. Examples of Critical Thinking Questions Scenario: In a business context, analyze the potential impacts of a proposed strategy on both short-term profitability and long-term sustainability. Question: What factors would you consider in determining the viability of the proposed strategy, and how might it affect the company's overall success? Scenario: Evaluate conflicting scientific studies on a pressing environmental issue.

Question: Identify the key methodologies and data points in each study. How would you reconcile the disparities to form an informed, unbiased conclusion?

Why Practice Matters

Engaging in the Critical Thinking Practice Test familiarizes you with the test format and cultivates a mindset geared towards agile and astute reasoning. This preparatory phase allows you to refine your cognitive toolkit, ensuring you approach the assessment with confidence and finesse.

We'll navigate through specific examples as we proceed, offering insights into effective strategies for tackling critical thinking questions. Prepare to embark on a journey of intellectual sharpening, where each practice question refines your analytical prowess for the challenges ahead.

This is a practice critical thinking test.

The test consists of three questions . 

After you have answered all the questions, you will be shown the correct answers and given full explanations.

Make sure you read and fully understand each question before answering. Work quickly, but don't rush. You cannot afford to make mistakes on a real test .

If you get a question wrong, make sure you find out why and learn how to answer this type of question in the future. 

Six friends are seated in a restaurant across a rectangular table. There are three chairs on each side. Adam and Dorky do not have anyone sitting to their right and Clyde and Benjamin do not have anyone sitting to their left. Adam and Benjamin are not sitting on the same side of the table.

If Ethan is not sitting next to Dorky, who is seated immediately to the left of Felix?

You might also be interested in these other PRT articles:

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Online Critical Thinking Basic Concepts Test

Assessing the Understanding of Basic Critical Thinking Concepts and Principles Developed by Dr. Linda Elder, Dr. Richard Paul, and Dr. Rush Cosgrove

The test is a t hree -p art, 100 -i tem t est . The test can be used at the high-school level and above, and it takes approximately 45 minutes to complete.

Click Here to Purchase the Full Test Click Here to Try the Sample Test

The test is based on the substantive approach to critical thinking developed by Dr. Paul and his colleagues at the Foundation for Critical Thinking over decades of work. It is the only critical thinking test that approaches critical thinking as a trans-disciplinary system of interconnected concepts, principles, and understandings.  It focuses on the five essential dimensions of critical thinking: 1.   The analysis of thought. 2.  The assessment of thought. 3.  The dispositions of thought. 4.  The skills and abilities of thought. 5.  The obstacles or barriers to critical thought.

The test is designed for use at the high school level (grade 10) and above (college, university, and graduate level). Our online testing software has been custom-developed by the Foundation for Critical Thinking to provide comprehensive grading and reporting for both the student and teacher. The test measures the extent to which students, faculty, or, indeed, any persons understand the fundamental concepts embedded in critical thinking. A high score provides evidence of the person having done some critical thinking about critical thinking. It implies that the person is more likely to think critically than someone scoring low on the test. It measures, in other words, the necessary understandings for thinking critically . Of course, the test cannot guarantee that persons with basic critical thinking understandings will use them effectively in their lives. No critical thinking test can. The Online Critical Thinking Basic Concepts Test can assist faculty in determining the extent to which they are succeeding (or not succeeding) in helping students develop the understandings which will enable them to think critically - through course content and through problems and issues they will face in their lives. Most importantly, use of the test, especially when combined with other effective critical thinking assessment approaches, has a high degree of consequential validity . In other words, proper use of the test will lead to greater emphasis on the fundamentals of critical thinking.  For a richer understanding of assessment in critical thinking, see our white paper: Consequential Validity: Using Assessment to Drive Instruction . In this paper, we focus on the primary purpose of assessment in instruction - improvement. The purpose of assessing instruction for critical thinking is to improve the teaching of discipline-based thinking (historical thinking, biological thinking , sociological thinking , mathematical thinking, and so on). It is to improve students’ abilities to think their way through content, problems, and issues using disciplined skill in reasoning. The more particular we can be about what we want students to learn about critical thinking, the better can we devise instruction with that particular end in view. Nothing is more important in this process than our conceptualization of critical thinking, which is why we advocate a substantive, robust, trans-disciplinary conception of critical thinking. Use of this test can be an important part of the critical thinking assessment process, in providing faculty with data illuminating the extent to which students are learning or have learned the fundamentals of critical thinking. The test may also be used by administrators - for example, in connection with accreditation processes - to assess faculty understanding of critical thinking basic concepts and principles, and therefore readiness to foster critical thinking. The test provides statistical group data on the test as a whole, as well as on essential critical thinking understandings. It may be used in a pre/post format, and students may retake the test up to eight times with no additional charge per student over a four-year period. Home study teachers or companies wishing to use the test to assess employee understandings of critical thinking may also benefit from use of the test. This test is licensed for use only on this website (www.criticalthinking.org). It may not be copied, nor may it be utilized through other distribution methods. The Foundation for Critical Thinking reserves the right to modify the test in any way it deems fit and at any time.

How Is the Test Packaged and Licensed? This test is sold on a per-student basis, not per test. Each student may take the test up to 8 times over 4 years. We believe that this test is a valuable assessment, learning, and development tool when taken multiple times. Online test results are analyzed and compared over time to show one's progress in understanding core concepts of critical thinking, and to assist in the development of that understanding. We suggest a testing schedule of 2 to 4 times per year in a pre/post test format. How to Purchase the Test The test is licensed for Groups and Institutions starting with a minimum of 10 licenses per purchase. There is no setup fee for this test. An administrative account is automatically created upon purchase. Please note the total number of licenses purchased should include one license for the Administrator (e.g. if you have 50 students, you need to purchase 51 licenses in total - one for the Administrator, and one for each student.)

License orders paid by credit card are activated immediately. Payment by other methods, such as purchase order or check,  will delay activation of the test account until payment is received by the Foundation for Critical Thinking.

Please note that there is a no-refund policy on our online tests.  We therefore highly recommend that you take the sample test before purchasing the full version.

Test Administration and Features When you purchase test licenses, you are provided a set of tools in your web account to manage your students. The Group Administrator (the account that purchases the test licenses) has access to student rosters, group statistics, and the ability to customize what students can see after taking the test (allowing it to be used for assessment purposes or as online learning tool, depending on the administrator's preference). A student enrollment link is provided for the group administrator to distribute to students, along with a group password. Students are guided through a simple account setup process and then taken directly to the test.

Choosing What Students Can See After They Take the Test  

Despite the various customization options offered, administrator and student accounts are easy to set up and use.

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Supplement to Critical Thinking

How can one assess, for purposes of instruction or research, the degree to which a person possesses the dispositions, skills and knowledge of a critical thinker?

In psychometrics, assessment instruments are judged according to their validity and reliability.

Roughly speaking, an instrument is valid if it measures accurately what it purports to measure, given standard conditions. More precisely, the degree of validity is “the degree to which evidence and theory support the interpretations of test scores for proposed uses of tests” (American Educational Research Association 2014: 11). In other words, a test is not valid or invalid in itself. Rather, validity is a property of an interpretation of a given score on a given test for a specified use. Determining the degree of validity of such an interpretation requires collection and integration of the relevant evidence, which may be based on test content, test takers’ response processes, a test’s internal structure, relationship of test scores to other variables, and consequences of the interpretation (American Educational Research Association 2014: 13–21). Criterion-related evidence consists of correlations between scores on the test and performance on another test of the same construct; its weight depends on how well supported is the assumption that the other test can be used as a criterion. Content-related evidence is evidence that the test covers the full range of abilities that it claims to test. Construct-related evidence is evidence that a correct answer reflects good performance of the kind being measured and an incorrect answer reflects poor performance.

An instrument is reliable if it consistently produces the same result, whether across different forms of the same test (parallel-forms reliability), across different items (internal consistency), across different administrations to the same person (test-retest reliability), or across ratings of the same answer by different people (inter-rater reliability). Internal consistency should be expected only if the instrument purports to measure a single undifferentiated construct, and thus should not be expected of a test that measures a suite of critical thinking dispositions or critical thinking abilities, assuming that some people are better in some of the respects measured than in others (for example, very willing to inquire but rather closed-minded). Otherwise, reliability is a necessary but not a sufficient condition of validity; a standard example of a reliable instrument that is not valid is a bathroom scale that consistently under-reports a person’s weight.

Assessing dispositions is difficult if one uses a multiple-choice format with known adverse consequences of a low score. It is pretty easy to tell what answer to the question “How open-minded are you?” will get the highest score and to give that answer, even if one knows that the answer is incorrect. If an item probes less directly for a critical thinking disposition, for example by asking how often the test taker pays close attention to views with which the test taker disagrees, the answer may differ from reality because of self-deception or simple lack of awareness of one’s personal thinking style, and its interpretation is problematic, even if factor analysis enables one to identify a distinct factor measured by a group of questions that includes this one (Ennis 1996). Nevertheless, Facione, Sánchez, and Facione (1994) used this approach to develop the California Critical Thinking Dispositions Inventory (CCTDI). They began with 225 statements expressive of a disposition towards or away from critical thinking (using the long list of dispositions in Facione 1990a), validated the statements with talk-aloud and conversational strategies in focus groups to determine whether people in the target population understood the items in the way intended, administered a pilot version of the test with 150 items, and eliminated items that failed to discriminate among test takers or were inversely correlated with overall results or added little refinement to overall scores (Facione 2000). They used item analysis and factor analysis to group the measured dispositions into seven broad constructs: open-mindedness, analyticity, cognitive maturity, truth-seeking, systematicity, inquisitiveness, and self-confidence (Facione, Sánchez, and Facione 1994). The resulting test consists of 75 agree-disagree statements and takes 20 minutes to administer. A repeated disturbing finding is that North American students taking the test tend to score low on the truth-seeking sub-scale (on which a low score results from agreeing to such statements as the following: “To get people to agree with me I would give any reason that worked”. “Everyone always argues from their own self-interest, including me”. “If there are four reasons in favor and one against, I’ll go with the four”.) Development of the CCTDI made it possible to test whether good critical thinking abilities and good critical thinking dispositions go together, in which case it might be enough to teach one without the other. Facione (2000) reports that administration of the CCTDI and the California Critical Thinking Skills Test (CCTST) to almost 8,000 post-secondary students in the United States revealed a statistically significant but weak correlation between total scores on the two tests, and also between paired sub-scores from the two tests. The implication is that both abilities and dispositions need to be taught, that one cannot expect improvement in one to bring with it improvement in the other.

A more direct way of assessing critical thinking dispositions would be to see what people do when put in a situation where the dispositions would reveal themselves. Ennis (1996) reports promising initial work with guided open-ended opportunities to give evidence of dispositions, but no standardized test seems to have emerged from this work. There are however standardized aspect-specific tests of critical thinking dispositions. The Critical Problem Solving Scale (Berman et al. 2001: 518) takes as a measure of the disposition to suspend judgment the number of distinct good aspects attributed to an option judged to be the worst among those generated by the test taker. Stanovich, West and Toplak (2011: 800–810) list tests developed by cognitive psychologists of the following dispositions: resistance to miserly information processing, resistance to myside thinking, absence of irrelevant context effects in decision-making, actively open-minded thinking, valuing reason and truth, tendency to seek information, objective reasoning style, tendency to seek consistency, sense of self-efficacy, prudent discounting of the future, self-control skills, and emotional regulation.

It is easier to measure critical thinking skills or abilities than to measure dispositions. The following eight currently available standardized tests purport to measure them: the Watson-Glaser Critical Thinking Appraisal (Watson & Glaser 1980a, 1980b, 1994), the Cornell Critical Thinking Tests Level X and Level Z (Ennis & Millman 1971; Ennis, Millman, & Tomko 1985, 2005), the Ennis-Weir Critical Thinking Essay Test (Ennis & Weir 1985), the California Critical Thinking Skills Test (Facione 1990b, 1992), the Halpern Critical Thinking Assessment (Halpern 2016), the Critical Thinking Assessment Test (Center for Assessment & Improvement of Learning 2017), the Collegiate Learning Assessment (Council for Aid to Education 2017), the HEIghten Critical Thinking Assessment (https://territorium.com/heighten/), and a suite of critical thinking assessments for different groups and purposes offered by Insight Assessment (https://www.insightassessment.com/products). The Critical Thinking Assessment Test (CAT) is unique among them in being designed for use by college faculty to help them improve their development of students’ critical thinking skills (Haynes et al. 2015; Haynes & Stein 2021). Also, for some years the United Kingdom body OCR (Oxford Cambridge and RSA Examinations) awarded AS and A Level certificates in critical thinking on the basis of an examination (OCR 2011). Many of these standardized tests have received scholarly evaluations at the hands of, among others, Ennis (1958), McPeck (1981), Norris and Ennis (1989), Fisher and Scriven (1997), Possin (2008, 2013a, 2013b, 2013c, 2014, 2020) and Hatcher and Possin (2021). Their evaluations provide a useful set of criteria that such tests ideally should meet, as does the description by Ennis (1984) of problems in testing for competence in critical thinking: the soundness of multiple-choice items, the clarity and soundness of instructions to test takers, the information and mental processing used in selecting an answer to a multiple-choice item, the role of background beliefs and ideological commitments in selecting an answer to a multiple-choice item, the tenability of a test’s underlying conception of critical thinking and its component abilities, the set of abilities that the test manual claims are covered by the test, the extent to which the test actually covers these abilities, the appropriateness of the weighting given to various abilities in the scoring system, the accuracy and intellectual honesty of the test manual, the interest of the test to the target population of test takers, the scope for guessing, the scope for choosing a keyed answer by being test-wise, precautions against cheating in the administration of the test, clarity and soundness of materials for training essay graders, inter-rater reliability in grading essays, and clarity and soundness of advance guidance to test takers on what is required in an essay. Rear (2019) has challenged the use of standardized tests of critical thinking as a way to measure educational outcomes, on the grounds that  they (1) fail to take into account disputes about conceptions of critical thinking, (2) are not completely valid or reliable, and (3) fail to evaluate skills used in real academic tasks. He proposes instead assessments based on discipline-specific content.

There are also aspect-specific standardized tests of critical thinking abilities. Stanovich, West and Toplak (2011: 800–810) list tests of probabilistic reasoning, insights into qualitative decision theory, knowledge of scientific reasoning, knowledge of rules of logical consistency and validity, and economic thinking. They also list instruments that probe for irrational thinking, such as superstitious thinking, belief in the superiority of intuition, over-reliance on folk wisdom and folk psychology, belief in “special” expertise, financial misconceptions, overestimation of one’s introspective powers, dysfunctional beliefs, and a notion of self that encourages egocentric processing. They regard these tests along with the previously mentioned tests of critical thinking dispositions as the building blocks for a comprehensive test of rationality, whose development (they write) may be logistically difficult and would require millions of dollars.

A superb example of assessment of an aspect of critical thinking ability is the Test on Appraising Observations (Norris & King 1983, 1985, 1990a, 1990b), which was designed for classroom administration to senior high school students. The test focuses entirely on the ability to appraise observation statements and in particular on the ability to determine in a specified context which of two statements there is more reason to believe. According to the test manual (Norris & King 1985, 1990b), a person’s score on the multiple-choice version of the test, which is the number of items that are answered correctly, can justifiably be given either a criterion-referenced or a norm-referenced interpretation.

On a criterion-referenced interpretation, those who do well on the test have a firm grasp of the principles for appraising observation statements, and those who do poorly have a weak grasp of them. This interpretation can be justified by the content of the test and the way it was developed, which incorporated a method of controlling for background beliefs articulated and defended by Norris (1985). Norris and King synthesized from judicial practice, psychological research and common-sense psychology 31 principles for appraising observation statements, in the form of empirical generalizations about tendencies, such as the principle that observation statements tend to be more believable than inferences based on them (Norris & King 1984). They constructed items in which exactly one of the 31 principles determined which of two statements was more believable. Using a carefully constructed protocol, they interviewed about 100 students who responded to these items in order to determine the thinking that led them to choose the answers they did (Norris & King 1984). In several iterations of the test, they adjusted items so that selection of the correct answer generally reflected good thinking and selection of an incorrect answer reflected poor thinking. Thus they have good evidence that good performance on the test is due to good thinking about observation statements and that poor performance is due to poor thinking about observation statements. Collectively, the 50 items on the final version of the test require application of 29 of the 31 principles for appraising observation statements, with 13 principles tested by one item, 12 by two items, three by three items, and one by four items. Thus there is comprehensive coverage of the principles for appraising observation statements. Fisher and Scriven (1997: 135–136) judge the items to be well worked and sound, with one exception. The test is clearly written at a grade 6 reading level, meaning that poor performance cannot be attributed to difficulties in reading comprehension by the intended adolescent test takers. The stories that frame the items are realistic, and are engaging enough to stimulate test takers’ interest. Thus the most plausible explanation of a given score on the test is that it reflects roughly the degree to which the test taker can apply principles for appraising observations in real situations. In other words, there is good justification of the proposed interpretation that those who do well on the test have a firm grasp of the principles for appraising observation statements and those who do poorly have a weak grasp of them.

To get norms for performance on the test, Norris and King arranged for seven groups of high school students in different types of communities and with different levels of academic ability to take the test. The test manual includes percentiles, means, and standard deviations for each of these seven groups. These norms allow teachers to compare the performance of their class on the test to that of a similar group of students.

Copyright © 2022 by David Hitchcock < hitchckd @ mcmaster . ca >

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Validation of critical thinking test to senior high school students

T Triastuti 1 and E W Laksono 1

Published under licence by IOP Publishing Ltd Journal of Physics: Conference Series , Volume 1806 , International Conference on Mathematics and Science Education (ICMScE) 2020 14-15 July 2020, Jawa Barat, Indonesia Citation T Triastuti and E W Laksono 2021 J. Phys.: Conf. Ser. 1806 012201 DOI 10.1088/1742-6596/1806/1/012201

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1 Chemistry Education, Universitas Negeri Yogyakarta, Sleman, Indonesia

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The purpose of the research is to examine the development of instruments for measuring the critical thinking abilities of high school students. This research is a quantitative descriptive study. Aspects of critical thinking skills used are to identify problems, reconstruct arguments, evaluate arguments, determine solutions and conclude. Data are analyzed based on criteria such as unidimensionality, local independence assumption test, item fit, and level of difficulty, reliability, and information function. The analysis results show that instruments can be accepted for use and are useful for educators to measure the critical thinking skills of high school students.

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