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Critical thinking

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Critical Thinking consists of mental processes of discernment , analysis and evaluation . It includes possible processes of reflecting upon a tangible or intangible item in order to form a solid judgment that reconciles scientific evidence with common sense. In contemporary usage "critical" has a certain negative connotation that does not apply in the present case. Though the term "analytical thinking" may seem to convey the idea more accurately, critical thinking clearly involves synthesis, evaluation, and reconstruction of thinking, in addition to analysis.

Critical thinkers gather information from all senses, verbal and/or written expressions, reflection , observation , experience and reasoning . Critical thinking has its basis in intellectual criteria that go beyond subject-matter divisions and which include: clarity , credibility , accuracy , precision , relevance , depth, breadth , logic , significance and fairness.

Critical thinking is a form of judgment, specifically purposeful and reflective judgment. Using critical thinking one makes a decision or solves the problem of judging what to believe or what to do, but does so in a reflective way. Critical thinking gives due consideration to the evidence, the context of judgment, the relevant criteria for making that judgment well, the applicable methods or techniques for forming that judgment, and the applicable theoretical and constructs for understanding the nature of the problem and the question at hand. These elements also happen to be the key defining characteristics of professional fields and academic disciplines. This is why critical thinking can occur within a given subject field (by reference to its specific set of permissible questions, evidence sources, criteria, etc.) and across subject fields in all those spaces where human beings need to interact and make decisions, solve problems, and figure out what to believe and what to do.

Within the framework of scientific skepticism , the process of critical thinking involves acquiring information and evaluating it to reach a well-justified conclusion or answer. Part of critical thinking comprises informal logic . However, a large part of critical thinking goes beyond informal logic and includes assessment of beliefs and identification of prejudice , bias , propaganda , self-deception, distortion, misinformation, etc. Given research in cognitive psychology , some educators believe that schools should focus more on teaching their students critical thinking skills , intellectual standards, and cultivating intellectual traits (such as intellectual humility, intellectual empathy, intellectual integrity, and fair-mindedness) than on memorizing facts by rote learning . As defined in A Greek-English Lexicon the verb krino- means to choose, decide or judge. Hence a krites is a discerner, judge or arbiter. Those who are kritikos have the ability to discern or decide by exercising sound judgment

The word krino- also means to separate (winnow) the wheat from the chaff or that which has worth from that which does not.

Critical thinking is important, because it enables one to analyze, evaluate, explain, and restructure our thinking, decreasing thereby the risk of acting on, or thinking with, a false premise.

However, even with the use of critical thinking skills, mistakes can happen due to a thinker's egocentrism or sociocentrism or failure to be in possession of the full facts. In addition, there is always the possibility of inadvertent human error .

Universal concepts and principles of critical thinking can be applied to any context or case but only by reflecting upon the nature of that application. Critical thinking forms, therefore, a system of related, and overlapping, modes of thought such as anthropological thinking, sociological thinking, historical thinking, political thinking, psychological thinking, philosophical thinking, mathematical thinking, chemical thinking, biological thinking, ecological thinking, legal thinking, ethical thinking, musical thinking, thinking like a painter, sculptor, engineer, business person, etc. In other words, though critical thinking principles are universal, their application to disciplines requires a process of reflective contextualization.

One can regard critical thinking as involving two aspects:

Critical thinking, in the strong sense, does not include simply the acquisition and retention of information, or the possession of a skill-set which one does not use regularly; nor does critical thinking merely exercise skills without acceptance of the results.

What is and is not universal in critical thinking

Critical thinking is based on concepts and principles, not on hard and fast, or step-by-step, procedures. [1] Critical thinking does not assure that one will reach either the truth or correct conclusions. First, one may not have all the relevant information; indeed, important information may remain undiscovered, or the information may not even be knowable. Furthermore, one may make unjustified inferences, use inappropriate concepts, fail to notice important implications, use a narrow or unfair point of view. One may be a victim of self-delusion, egocentricity or sociocentricity, or closed-mindedness. One's thinking may be unclear, inaccurate, imprecise, irrelevant, narrow, shallow, illogical, or trivial. One may be intellectually arrogant, intellectually lazy, or intellectually hypocritical. These are some of the ways that human thinking can be flawed. Further information can be found in the Thinker's Guide series by Richard Paul and Linda Elder.

Human thinking left to itself often leads to various forms of self-deception, individually and socially; and at the left, right, and mainstream of economic, political, and religious issues. Further analysis and resources about this interaction may be found in Roderick Hindery (2001): Indoctrination and Self-deception or Free and Critical Thought .

The uses of critical thinking

Critical thinking is useful only in those situations where human beings need to solve problems, make decisions, or decide in a reasonable and reflective way what to believe or what to do.( Robert Ennis ) That is, just about everywhere and all the time. Critical thinking is important wherever the quality of human thinking significantly impacts the quality of life (of any sentient creature). For example, success in human life is tied to success in learning. At the same time, every phase in the learning process is tied to critical thinking. Thus, reading, writing, speaking, and listening can all be done critically or uncritically. Critical thinking is crucial to becoming a close reader and a substantive writer. Expressed most generally, critical thinking is “a way of taking up the problems of life.” ( William Graham Sumner , Folkways, 1906)

Irrespective of the sphere of thought, “a well cultivated critical thinker":

(Paul, R. and Elder, 2006)

The affective dimension of critical thinking

Critical thinking is about being both willing and able to think. Ideally one develops critical thinking skills and at the same time the disposition to use those skills to solve problems and form good judgments. The dispositional dimension of critical thinking is characterological. Its focus in developing the habitual intention to be truth-seeking, open-minded, systematic, analytical, inquisitive, confident in reasoning, and prudent in making judgments. Those who are ambivalent on one or more of these aspects of the disposition toward critical thinking, or who have the opposite disposition [biased, intolerant, disorganized, heedless of consequences, indifferent toward new information, mistrustful of reasoning, imprudence]are less likely to engage problems using their critical thinking skills. The relationship between critical thinking skills and critical thinking dispositions is an empirical question. Some have both in abundance, some have skills but not the disposition to use them, some are disposed but lack strong skills and some have neither. Two measures of critical thinking dispositions are the California Critical Thinking Disposition Inventory [1] and the CM3 [2] .

Critical thinking may be distinguished, but not separated, from emotions, desires, and traits of mind. Failure to recognize the relationship between thinking, feeling, wanting, and traits of mind can easily lead to various forms of self-deception, both individually and collectively. When persons possess intellectual skills alone, without the intellectual traits of mind, weak sense critical thinking results. Fair-minded or strong sense critical thinking requires intellectual humility , empathy , integrity , perseverance , courage , autonomy , confidence in reason, and other intellectual traits . Thus, critical thinking without essential intellectual traits often results in clever, but manipulative, often unethical, thought. In short, the sophist, the con artist, the manipulator often uses an intellectually defective but effective forms of thought---serving unethical purposes. However, whereas critical thinking yields itself to analytical considerations readily and may be considered largely "objective", few humans notice the degree to which they uncritically presuppose the mores and taboos of their society (and hence fail to discern their own “subjectivity.” and one-sidedness).

Further analysis and resources about the interaction between thought, desires, and emotions may be found in Roderick Hindery (2001): Indoctrination and Self-deception or Free and Critical Thought and in Paul and Elder (2004): The Human Mind .

Overcoming bias

There is no simple way to reduce one's bias. There are, however, ways that one can begin to do so. The most important require developing one's intellectual empathy and intellectual humility. The first requires extensive experience in entering and accurately constructing points of view toward which one has negative feelings. The second requires extensive experience in identifying the extent of one's own ignorance in a wide variety of subjects (ignorance whose admission leads one to say, "I thought I knew , but I merely believed "). One becomes less biased and more broad-minded when one becomes more intellectually empathic and intellectually humble, and that involves time, deliberate practice and commitment. It involves considerable personal and intellectual development.

To develop one's critical thinking abilities, one should learn the art of suspending judgment (for example, when reading a novel, watching a movie, engaging in dialogical or dialectical reasoning). Ways of doing this include adopting a perceptive rather than judgmental orientation; that is, avoiding moving from perception to judgment as one applies critical thinking to an issue.

One should become aware of one's own fallibility by:

An integration of insights from the critical thinking literature and cognitive psychology literature is the "Method of Argument and Heuristic Analysis." This technique illustrates the influences of heuristics and biases on human decision making along with the influences of thinking critically about reasons and claims. Thinking and Reasoning in Human Decision Making [3]

Critical thinking in the classroom

The key to seeing the significance of critical thinking in the classroom is in understanding the significance of critical thinking in learning. To learn is to think. To think poorly is to learn poorly. To think well is to learn well. All content, to be learned, must be intellectually constructed. To learn the content of history, I must engage myself in the process of thinking historically.

There are two phases to the learning of content. The first occurs when learners (for the first time) construct in their minds the basic ideas, principles, and theories that are inherent in content. This is a process of internalization. The second occurs when learners effectively use those ideas, principles, and theories as they become relevant in learners’ lives. This is a process of application. Good teachers cultivate critical thinking (intellectually engaged thinking) at every stage of learning, including initial learning. This process of intellectual engagement is at the heart of the Oxford and Cambridge tutorials. The tutor questions the students, often in a Socratic manner. Here are some typical Socratic questions:

Of course, there are many other possible Socratic questions (It should be noted that Socrates so highly irritated people by using their own words to show their flaws. This was the cause of his death, when a noble made him choose between exile and drinking poison.) The key is that the teacher who fosters critical thinking fosters reflectiveness in students by asking questions that stimulate thinking essential to the construction of knowledge.

As emphasized above, each discipline adapts its use of critical thinking concepts and principles. The core concepts are always there, but they are embedded in subject specific content. For students to learn content, intellectual engagement is crucial. All students must do their own thinking, their own construction of knowledge. Good teachers recognize this and therefore focus on the questions, readings, activities that stimulate the mind to take ownership of key concepts and principles underlying the subject.

In the UK school system, Critical thinking is offered as a subject which 16-18 year olds can take as an A-Level . Under the OCR exam board , students can sit two exam papers for the AS: "Credibility of Evidence" and "Assessing and Developing Argument". The full Advanced GCE is now available: in addition to the two AS units, candidates sit the two papers "Resolution of Dilemmas" and "Critical Reasoning". The A-level tests candidates on their ability to think critically about, and analyze, arguments on their deductive or inductive validity, as well as producing their own arguments. It also tests their ability to analyse certain related topics such as credibility and ethical decision-making. However, due to its comparative lack of subject content, many universities do not accept it as a main A-level for admissions [4] [5] . Nevertheless, the AS is often useful in developing reasoning skills, and the full advanced GCE is extremely useful for degree courses in politics, philosophy, history or theology (to name but a few), providing the skills required for critical analysis that are useful, for example, in biblical study.

There is also an AEA offered in Critical Thinking in the UK, actually open to any A-level student regardless of whether they have the Critical Thinking A-level. CIE have an A-level in Thinking Skills [6] .From 2008, AQA will also be offering an A-level Critical Thinking specification [7] ; OCR exam board have also modified theirs for 2008. Many examinations for university entrance set by universities, on top of A-level examinations, also include a critical thinking component, such as the LNAT , the UKCAT , the BMAT and the TSA .

Assessing Critical Thinking

Several tools are available to assess aspects of critical thinking skills. Some are designed for younger students, others for college students and adults. While most are developed for use in a general education or every day context, some are tailored for the interests of people in different professional fields. In addition to tests, other tools for assessing critical thinking include rubrics and performance rating forms.

Reaching a conclusion

Given the nature of the process, critical thinking is rarely final. One arrives at a conclusion, given the available evidence and based on an evaluation. However, conclusions must always remain subject to further evaluation if new information comes to hand.

William Graham Sumner offers a useful summary of critical thinking:

The critical habit of thought, if usual in society, will pervade all its mores, because it is a way of taking up the problems of life. Men educated in it cannot be stampeded by stump orators ... They are slow to believe. They can hold things as possible or probable in all degrees, without certainty and without pain. They can wait for evidence and weigh evidence, uninfluenced by the emphasis or confidence with which assertions are made on one side or the other. They can resist appeals to their dearest prejudices and all kinds of cajolery. Education in the critical faculty is the only education of which it can be truly said that it makes good citizens .

Dr. Martin Luther King said:

The function of education, therefore, is to teach one to think intensively and to think critically . . . The complete education gives one not only power of concentration but worthy objectives upon which to concentrate.

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Defining Critical Thinking

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On Critical Thinking

Several years ago some teaching colleagues were talking about the real value of teaching psychology students to think critically. After some heated discussion, the last word was had by a colleague from North Carolina. “The real value of being a good critical thinker in psychology is so you won’t be a jerk,” he said with a smile. That observation remains one of my favorites in justifying why teaching critical thinking skills should be an important goal in psychology. However, I believe it captures only a fraction of the real value of teaching students to think critically about behavior.

What I s Critical Thinking?

Although there is little agreement about what it means to think critically in psychology, I like the following broad definition: The propensity and skills to engage in activity with reflec tive skepticism focused on deciding what to believe or do

Students often arrive at their first introductory course with what they believe is a thorough grasp of how life works. After all, they have been alive for at least 18 years, have witnessed their fair shares of crisis, joy, and tragedy, and have successfully navigated their way in to your classroom.

These students have had a lot of time to develop their own personal theories about how the world works and most are quite satisfied with the results. They often pride themselves on how good they are with people as well as how astute they are in understanding and explaining the motives of others. And they think they know what psychology is. Many are surprised- and sometimes disappointed- to discover that psychology is a science, and the rigor of psychological research is a shock. The breadth and depth of psychology feel daunting. Regardless of their sophistication in the discipline, students often are armed with a single strategy to survive the experience: Memorize the book and hope it works out on the exam. In many cases, this strategy will serve them well. Unfortunately, student exposure to critical thinking skill development may be more accidental than planful on the part of most teachers. Collaboration in my department and with other colleagues over the years has persuaded me that we need to approach critical thinking skills in a purposeful, systematic, and developmental manner from the introductory course through the capstone experience, propose that we need to teach critical thinking skills in three domains of psychology: practical (the “jerk avoidance” function), theoretical (developing scientific explanations for behavior), and methodological (testing scientific ideas). I will explore each of these areas and then offer some general suggestions about how psychology teachers can improve their purposeful pursuit of critical thinking objectives.

Practical Domain

Practical critical thinking is often expressed as a long-term, implicit goal of teachers of psychology, even though they may not spend much academic time teaching how to transfer critical thinking skills to make students wise consumers, more careful judges of character, or more cautious interpreters of behavior. Accurate appraisal of behavior is essential, yet few teachers invest time in helping students understand how vulnerable their own interpretations are to error.

Encourage practice in accurate description and interpretation of behavior by presenting students with ambiguous behavior samples. Ask them to distinguish what they observe (What is the behavior?) from the inferences they draw from the behavior (What is the meaning of the behavior?). I have found that cartoons, such as Simon Bond’s Uns p eakable Acts, can be a good resource for refining observation skills. Students quickly recognize that crisp behavioral descriptions are typically consistent from observer to observer, but inferences vary wildly. They recognize that their interpretations are highly personal and sometimes biased by their own values and preferences. As a result of experiencing such strong individual differences in interpretation, students may learn to be appropriately less confident of their immediate conclusions, more tolerant of ambiguity, and more likely to propose alternative explanations. As they acquire a good understanding of scientific procedures, effective control techniques, and legitimate forms of evidence, they may be less likely to fall victim to the multitude of off-base claims about behavior that confront us all. (How many Elvis sightings can be valid in one year?)

Theoretical Domain

Theoretical critical thinking involves helping the student develop an appreciation for scientific explanations of behavior. This means learning not just the content of psychology but how and why psychology is organized into concepts, principles, laws, and theories. Developing theoretical skills begins in the introductory course where the primary critical thinking objective is understanding and applying concepts appropriately. For example, when you introduce students to the principles of reinforcement, you can ask them to find examples of the principles in the news or to make up stories that illustrate the principles.

Mid-level courses in the major require more sophistication, moving students beyond application of concepts and principles to learning and applying theories. For instance, you can provide a rich case study in abnormal psychology and ask students to make sense of the case from different perspectives, emphasizing theoretical flexibility or accurate use of existing and accepted frameworks in psychology to explain patterns of behavior. In advanced courses we can justifiably ask students to evaluate theory, selecting the most useful or rejecting the least helpful. For example, students can contrast different models to explain drug addiction in physiological psychology. By examining the strengths and weaknesses of existing frameworks, they can select which theories serve best as they learn to justify their criticisms based on evidence and reason.

Capstone, honors, and graduate courses go beyond theory evaluation to encourage students to create theory. Students select a complex question about behavior (for example, identifying mechanisms that underlie autism or language acquisition) and develop their own theory-based explanations for the behavior. This challenge requires them to synthesize and integrate existing theory as well as devise new insights into the behavior.

Methodological Domain

Most departments offer many opportunities for students to develop their methodological critical thinking abilities by applying different research methods in psychology. Beginning students must first learn what the scientific method entails. The next step is to apply their understanding of scientific method by identifying design elements in existing research. For example, any detailed description of an experimental design can help students practice distinguishing the independent from the dependent variable and identifying how researchers controlled for alternative explanations. The next methodological critical thinking goals include evaluating the quality of existing research design and challenging the conclusions of research findings. Students may need to feel empowered by the teacher to overcome the reverence they sometimes demonstrate for anything in print, including their textbooks. Asking students to do a critical analysis on a fairly sophisticated design may simply be too big a leap for them to make. They are likely to fare better if given examples of bad design so they can build their critical abilities and confidence in order to tackle more sophisticated designs. (Examples of bad design can be found in The Critical Thinking Companion for Introductory Psychology or they can be easily constructed with a little time and imagination). Students will develop and execute their own research designs in their capstone methodology courses. Asking students to conduct their own independent research, whether a comprehensive survey on parental attitudes, a naturalistic study of museum patrons’ behavior, or a well-designed experiment on paired associate learning, prompts students to integrate their critical thinking skills and gives them practice with conventional writing forms in psychology. In evaluating their work I have found it helpful to ask students to identify the strengths and weaknesses of their own work- as an additional opportunity to think critically-before giving them my feedback.

Additional Suggestions

Adopting explicit critical thinking objectives, regardless of the domain of critical thinking, may entail some strategy changes on the part of the teacher.

• Introduce psychology as an ope n-end ed, growing enterprise . Students often think that their entry into the discipline represents an end-point where everything good and true has already been discovered. That conclusion encourages passivity rather than criticality. Point out that research is psychology’ s way of growing and developing. Each new discovery in psychology represents a potentially elegant act of critical thinking. A lot of room for discovery remains. New ideas will be developed and old conceptions discarded.

• Require student performance that goes beyond memorization . Group work, essays, debates, themes, letters to famous psychologists, journals, current event examples- all of these and more can be used as a means of developing the higher skills involved in critical thinking in psychology. Find faulty cause-effect conclusions in the tabloids (e.g., “Eating broccoli increases your IQ!”) and have students design studies to confirm or discredit the headline’s claims. Ask students to identify what kinds of evidence would warrant belief in commercial claims. Although it is difficult, even well designed objective test items can capture critical thinking skills so that students are challenged beyond mere repetition and recall.

• Clarify your expectations about performance with explicit, public criteria. Devising clear performance criteria for psychology projects will enhance student success. Students often complain that they don’t understand “what you want” when you assign work. Performance criteria specify the standards that you will use to evaluate their work. For example, perfonnance criteria for the observation exercise described earlier might include the following: The student describes behavior accurately; offers i nference that is reasonable for the context; and identifies personal factors that might influence infer ence. Perfonnance criteria facilitate giving detailed feedback easily and can also promote student self-assessment.

• Label good examples of critical thinking when these occur spontaneously. Students may not recognize when they are thinking critically. When you identify examples of good thinking or exploit examples that could be improved, it enhances students’ ability to understand. One of my students made this vivid for me when she commented on the good connection she had made between a course concept and an insight from her literature class, “That is what you mean by critical thinking?” There after I have been careful to label a good critical thinking insight.

• Endorse a questioning attitude. Students often assume that if they have questions about their reading, then they are somehow being dishonorable, rude, or stupid. Having  discussions early in the course about the role of good questions in enhancing the quality of the subject and expanding the sharpness of the mind may set a more critical stage on which students can play. Model critical thinking from some insights you have had about behavior or from some research you have conducted in the past. Congratulate students who offer good examples of the principles under study. Thank students who ask concept-related questions and describe why you think their questions are good. Leave time and space for more. Your own excitement about critical thinking can be a great incentive for students to seek that excitement.

• Brace yourself . When you include more opportunity for student critical thinking in class, there is much more opportunity for the class to go astray. Stepping away from the podium and engaging the students to perform what they know necessitates some loss of control, or at least some enhanced risk. However, the advantage is that no class will ever feel completely predictable, and this can be a source of stimulation for students and the professor as well.

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As far back as I can remember over 50 yrs. ago. I have been talking psychology to friends, or helping them to solve problems. I never thought about psy. back then, but now I realize I really love helping people. How can I become a critical thinker without condemning people?

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using a case study explain use of critical thinking in counseling process.

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Do you have any current readings with Critical Thinking Skills in Psychology, besides John Russcio’s work?

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About the Author

Jane Halonen received her PhD from the University of Wisconsin-Milwaukee in 1980. She is Professor of Psychology at Alverno College in Milwaukee, Wisconsin, where she has served as Chair of Psychology and Dean of the Behavior Sciences Department. Halonen is past president of the Council for Teachers of Undergraduate Psychology. A fellow of APA's Division 2 (Teaching), she has been active on the Committee of Undergraduate Education, helped design the 1991 APA Conference on Undergraduate Educational Quality, and currently serves as a committee member to develop standards for the teaching of high school psychology.

definition of critical thinking in psychology

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Ideas to Action (i2a)

The ability to think critically calls for a higher-order thinking than simply the ability to recall information.

Definitions of critical thinking, its elements, and its associated activities fill the educational literature of the past forty years. Critical thinking has been described as an ability to question; to acknowledge and test previously held assumptions; to recognize ambiguity; to examine, interpret, evaluate, reason, and reflect; to make informed judgments and decisions; and to clarify, articulate, and justify positions (Hullfish & Smith, 1961; Ennis, 1962; Ruggiero, 1975; Scriven, 1976; Hallet, 1984; Kitchener, 1986; Pascarella & Terenzini, 1991; Mines et al., 1990; Halpern, 1996; Paul & Elder, 2001; Petress, 2004; Holyoak & Morrison, 2005; among others).

After a careful review of the mountainous body of literature defining critical thinking and its elements, UofL has chosen to adopt the language of Michael Scriven and Richard Paul (2003) as a comprehensive, concise operating definition:

Critical thinking is the intellectually disciplined process of actively and skillfully conceptualizing, applying, analyzing, synthesizing, and/or evaluating information gathered from, or generated by, observation, experience, reflection, reasoning, or communication, as a guide to belief and action.

Paul and Scriven go on to suggest that critical thinking is based on: "universal intellectual values that transcend subject matter divisions: clarity, accuracy, precision, consistency, relevance, sound evidence, good reasons, depth, breadth, and fairness. It entails the examination of those structures or elements of thought implicit in all reasoning: purpose, problem, or question-at-issue, assumptions, concepts, empirical grounding; reasoning leading to conclusions, implication and consequences, objections from alternative viewpoints, and frame of reference. Critical thinking - in being responsive to variable subject matter, issues, and purposes - is incorporated in a family of interwoven modes of thinking, among them: scientific thinking, mathematical thinking, historical thinking, anthropological thinking, economic thinking, moral thinking, and philosophical thinking."

This conceptualization of critical thinking has been refined and developed further by Richard Paul and Linder Elder into the Paul-Elder framework of critical thinking. Currently, this approach is one of the most widely published and cited frameworks in the critical thinking literature. According to the Paul-Elder framework, critical thinking is the:

Selection of a Critical Thinking Framework

The University of Louisville chose the Paul-Elder model of Critical Thinking as the approach to guide our efforts in developing and enhancing our critical thinking curriculum. The Paul-Elder framework was selected based on criteria adapted from the characteristics of a good model of critical thinking developed at Surry Community College. The Paul-Elder critical thinking framework is comprehensive, uses discipline-neutral terminology, is applicable to all disciplines, defines specific cognitive skills including metacognition, and offers high quality resources.

Why the selection of a single critical thinking framework?

The use of a single critical thinking framework is an important aspect of institution-wide critical thinking initiatives (Paul and Nosich, 1993; Paul, 2004). According to this view, critical thinking instruction should not be relegated to one or two disciplines or departments with discipline specific language and conceptualizations. Rather, critical thinking instruction should be explicitly infused in all courses so that critical thinking skills can be developed and reinforced in student learning across the curriculum. The use of a common approach with a common language allows for a central organizer and for the development of critical thinking skill sets in all courses.

Copyright © 2012 - University of Louisville , Delphi Center

Authors of How to make the most of your Psychology degree

Why is critical thinking important for Psychology students?

Amy Burrell, Daniel Waldeck, and Rachael Leggett – authors of ‘How to make the most of your psychology degree’ – explain what critical thinking is and why it is an essential skill for all Psychology students.

16 September 2022

So, you’re off to university to study Psychology? From day one, in seminars, in lectures, attached to almost every assignment, you will encounter the words ‘critical thinking’ or ‘critical evaluation’. But what does that mean?

Showing your critical thinking is not just a box to be ticked on your assignment marksheet: it is a life skill that helps us to really understand and interpret the world around us. Critical thinking is objective and requires you to analyse and evaluate information to form a sound judgement. It is a cornerstone of evidence-based arguments and forming an evidence-based argument is essential in Psychology. That is why we, your tutors, as well as your future employers, want you to develop this skill effectively.

However, despite all the time we spend learning about critical thinking, there are several common issues that come up. Let us start with the causation versus correlation problem.

Causation versus correlation problem

As researchers, when we see a relationship between two variables, we inevitably get excited. It is very easy to think A caused B but, often, life is more complex than that. What might look like a direct relationship, could in fact be coincidence or due to another explanation. Take, for example, that researchers have found cows who are named produce more milk. It would be easy to get carried away with a media headline. When you read the paper , you will realise that the mechanism for producing more milk is not having a name, it is what that represents – i.e. the quality of the human-animal relationship (or, more simply put, treating cows as individuals).

There are also many examples of spurious correlations – the internet is full of interesting oddities like the correlation between divorce rates and consumption of margarine in Maine, USA or that a shortage of pirates has led to global warming . Whilst there might be a relationship between our two variables we need to be thoughtful when interpreting our findings. We can’t just take things at face value. We need to try and understand why these relationships exist.

Limited critique

Another common issue is that, where there is critique, this is often limited. Most students do provide some critique, but this is often very generic – for example, ‘my sample size is small and/or non-representative’. This is a good start, but we need to see more depth in critique, and this means being more specific – for example, explaining why a small or non-representative sample might be a problem and what this means for your interpretation of findings.

Another common problem is students being dismissive of non-significant results. Remember non-significant is not insignificant! If your research was conducted to a high standard with the large sample size, it could be that you found a genuine lack of a relationship between variables and that might be really important. Listening to the data is essential.

It is important to be aware of wider issues too – for example, the replication crisis . This describes the situation where the findings of many published studies are difficult to reproduce. It is important that findings are replicated to validate these. The replication crisis is a problem for Psychology too; so much so that this presents opportunities for students – i.e. to conduct replication studies!

How do I think critically?

Ok, so we’ve talked about why critical thinking is important and pointed out some of the challenges, but how do you do critical thinking? We include lots of advice in our book, but there are some key tips to help you get started:

And, finally, remember critical thinking is not just repeating someone else’s critique. By all means consider the critique of others but read the papers they are critiquing for yourself and come to your own conclusions .

So, how do we sum up? Well, at the risk of sounding repetitive, there really is only one message we are trying to get across; critical thinking is an essential skill for Psychology students. And for graduates! Once you get into the workplace, you will find you will need to be able to think critically to do your day job. Add to that, being able to think critically at a broader/strategic level (e.g., the replication crisis!) will only ever put you at an advantage, maybe even a frontrunner for that promotion. So, if you crack it during your degree, you will be at a massive advantage in your career.

Our book How to make the most of your psychology degree: study skills, employability, and professional development  is available to purchase here .

Dr Amy Burrell [pictured, left] – formerly Assistant Professor in Forensic Psychology at Coventry University – has considerable experience of tutoring and teaching in Psychology. She is now a Research Fellow in the School of Psychology at the University of Birmingham.

Dr Dan Waldeck [pictured, top right] is an Assistant Professor in Psychology at Coventry University, with extensive experience of teaching research methods and study skills.

Rachael Leggett [pictured, bottom right] is a Lecturer in Forensic Psychology at Coventry University and routinely teaches across forensic topics including study skills and employability.

Chapter 9: Facilitating Complex Thinking

Critical thinking.

Critical thinking requires skill at analyzing the reliability and validity of information, as well as the attitude or disposition to do so. The skill and attitude may be displayed with regard to a particular subject matter or topic, but in principle it can occur in any realm of knowledge (Halpern, 2003; Williams, Oliver, & Stockade, 2004). A critical thinker does not necessarily have a negative attitude in the everyday sense of constantly criticizing someone or something. Instead, he or she can be thought of as astute : the critical thinker asks key questions, evaluates the evidence for ideas, reasons for problems both logically and objectively, and expresses ideas and conclusions clearly and precisely. Last (but not least), the critical thinker can apply these habits of mind in more than one realm of life or knowledge.

With such a broad definition, it is not surprising that educators have suggested a variety of specific cognitive skills as contributing to critical thinking. In one study, for example, the researcher found how critical thinking can be reflected in regard to a published article was stimulated by annotation —writing questions and comments in the margins of the article (Liu, 2006). In this study, students were initially instructed in ways of annotating reading materials. Later, when the students completed additional readings for assignments, it was found that some students in fact used their annotation skills much more than others—some simply underlined passages, for example, with a highlighting pen. When essays written about the readings were later analyzed, the ones written by the annotators were found to be more well reasoned—more critically astute—than the essays written by the other students.

In another study, on the other hand, a researcher found that critical thinking can also involve oral discussion of personal issues or dilemmas (Hawkins, 2006). In this study, students were asked to verbally describe a recent, personal incident that disturbed them. Classmates then discussed the incident together in order to identify the precise reasons why the incident was disturbing, as well as the assumptions that the student made in describing the incident. The original student—the one who had first told the story—then used the results of the group discussion to frame a topic for a research essay. In one story of a troubling incident, a student told of a time when a store clerk has snubbed or rejected the student during a recent shopping errand. Through discussion, classmates decided that an assumption underlying the student’s disturbance was her suspicion that she had been a victim of racial profiling based on her skin color. The student then used this idea as the basis for a research essay on the topic of “racial profiling in retail stores.” The oral discussion thus stimulated critical thinking in the student and the classmates, but it also relied on their prior critical thinking skills at the same time.

Notice that in both of these research studies, as in others like them, what made the thinking “critical” was students’ use of metacognition —strategies for thinking about thinking and for monitoring the success and quality of one’s own thinking. This concept was discussed in the chapter, “The learning process,” as a feature of constructivist views about learning. There we pointed out that when students acquire experience in building their own knowledge, they also become skilled both at knowing how they learn, and at knowing whether they have learned something well. These are two defining qualities of metacognition, but they are part of critical thinking as well. In fostering critical thinking, a teacher is really fostering a student’s ability to construct or control his or her own thinking and to avoid being controlled by ideas unreflectively.

How best to teach critical thinking remains a matter of debate. One issue is whether to infuse critical skills into existing courses or to teach them through separate, free-standing units or courses. The first approach has the potential advantage of integrating critical thinking into students’ entire educations. But it risks diluting students’ understanding and use of critical thinking simply because critical thinking takes on a different form in each learning context. Its details and appearance vary among courses and teachers. The free-standing approach has the opposite qualities: it stands a better chance of being understood clearly and coherently, but at the cost of obscuring how it is related to other courses, tasks, and activities. This dilemma is the issue—again—of transfer , discussed in the chapter, “The learning process.” Unfortunately, research to compare the different strategies for teaching critical thinking does not settle the matter. The research suggests simply that either infusion or free-standing approaches can work as long as it is implemented thoroughly and teachers are committed to the value of critical thinking (Halpern, 2003).

A related issue about teaching critical thinking is about deciding who needs to learn critical thinking skills the most. Should it be all students, or only some of them? Teaching all students seems the more democratic alternative and thus appropriate for educators. Surveys have found, however, that teachers sometimes favor teaching of critical thinking only to high-advantage students—the ones who already achieve well, who come from relatively high-income families, or (for high school students) who take courses intended for university entrance (Warburton & Torff, 2005). Presumably the rationale for this bias is that high-advantage students can benefit and/or understand and use critical thinking better than other students. Yet, there is little research evidence to support this idea, even if it were not ethically questionable. The study by Hawkins (2006) described above, for example, is that critical thinking was fostered even with students considered low-advantage.

Hawkins, J. (2006). Accessing multicultural issues through critical thinking, critical inquiry, and the student research process. Urban Education, 41 (2), 169–141.

Liu, K. (2006). Annotation as an index to critical writing. Urban Education, 41 (2), 192–207.

Warburton, E. & Torff, E. (2005). The effect of perceived learner advantages on teachers’ beliefs about critical-thinking activities. Journal of Teacher Education, 56 (1), 24–33.

Williams, R., Oliver, R., & Stockade, S. (2004). Psychological versus generic critical thinking as predictors and outcome measures in a large undergraduate human development course. Journal of General Education, 53 (1), 37–58.

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