what is barrier of critical thinking

active, persistent and careful consideration of any belief or supposed form of knowledge in the light of the grounds that support it, and the further conclusions to which it tends. (Dewey 1910: 6; 1933: 9)

and identified a habit of such consideration with a scientific attitude of mind. His lengthy quotations of Francis Bacon, John Locke, and John Stuart Mill indicate that he was not the first person to propose development of a scientific attitude of mind as an educational goal.

In the 1930s, many of the schools that participated in the Eight-Year Study of the Progressive Education Association (Aikin 1942) adopted critical thinking as an educational goal, for whose achievement the study’s Evaluation Staff developed tests (Smith, Tyler, & Evaluation Staff 1942). Glaser (1941) showed experimentally that it was possible to improve the critical thinking of high school students. Bloom’s influential taxonomy of cognitive educational objectives (Bloom et al. 1956) incorporated critical thinking abilities. Ennis (1962) proposed 12 aspects of critical thinking as a basis for research on the teaching and evaluation of critical thinking ability.

Since 1980, an annual international conference in California on critical thinking and educational reform has attracted tens of thousands of educators from all levels of education and from many parts of the world. Also since 1980, the state university system in California has required all undergraduate students to take a critical thinking course. Since 1983, the Association for Informal Logic and Critical Thinking has sponsored sessions in conjunction with the divisional meetings of the American Philosophical Association (APA). In 1987, the APA’s Committee on Pre-College Philosophy commissioned a consensus statement on critical thinking for purposes of educational assessment and instruction (Facione 1990a). Researchers have developed standardized tests of critical thinking abilities and dispositions; for details, see the Supplement on Assessment . Educational jurisdictions around the world now include critical thinking in guidelines for curriculum and assessment.

For details on this history, see the Supplement on History .

2. Examples and Non-Examples

Before considering the definition of critical thinking, it will be helpful to have in mind some examples of critical thinking, as well as some examples of kinds of thinking that would apparently not count as critical thinking.

Dewey (1910: 68–71; 1933: 91–94) takes as paradigms of reflective thinking three class papers of students in which they describe their thinking. The examples range from the everyday to the scientific.

Transit : “The other day, when I was down town on 16th Street, a clock caught my eye. I saw that the hands pointed to 12:20. This suggested that I had an engagement at 124th Street, at one o’clock. I reasoned that as it had taken me an hour to come down on a surface car, I should probably be twenty minutes late if I returned the same way. I might save twenty minutes by a subway express. But was there a station near? If not, I might lose more than twenty minutes in looking for one. Then I thought of the elevated, and I saw there was such a line within two blocks. But where was the station? If it were several blocks above or below the street I was on, I should lose time instead of gaining it. My mind went back to the subway express as quicker than the elevated; furthermore, I remembered that it went nearer than the elevated to the part of 124th Street I wished to reach, so that time would be saved at the end of the journey. I concluded in favor of the subway, and reached my destination by one o’clock.” (Dewey 1910: 68–69; 1933: 91–92)

Ferryboat : “Projecting nearly horizontally from the upper deck of the ferryboat on which I daily cross the river is a long white pole, having a gilded ball at its tip. It suggested a flagpole when I first saw it; its color, shape, and gilded ball agreed with this idea, and these reasons seemed to justify me in this belief. But soon difficulties presented themselves. The pole was nearly horizontal, an unusual position for a flagpole; in the next place, there was no pulley, ring, or cord by which to attach a flag; finally, there were elsewhere on the boat two vertical staffs from which flags were occasionally flown. It seemed probable that the pole was not there for flag-flying.

“I then tried to imagine all possible purposes of the pole, and to consider for which of these it was best suited: (a) Possibly it was an ornament. But as all the ferryboats and even the tugboats carried poles, this hypothesis was rejected. (b) Possibly it was the terminal of a wireless telegraph. But the same considerations made this improbable. Besides, the more natural place for such a terminal would be the highest part of the boat, on top of the pilot house. (c) Its purpose might be to point out the direction in which the boat is moving.

“In support of this conclusion, I discovered that the pole was lower than the pilot house, so that the steersman could easily see it. Moreover, the tip was enough higher than the base, so that, from the pilot’s position, it must appear to project far out in front of the boat. Moreover, the pilot being near the front of the boat, he would need some such guide as to its direction. Tugboats would also need poles for such a purpose. This hypothesis was so much more probable than the others that I accepted it. I formed the conclusion that the pole was set up for the purpose of showing the pilot the direction in which the boat pointed, to enable him to steer correctly.” (Dewey 1910: 69–70; 1933: 92–93)

Bubbles : “In washing tumblers in hot soapsuds and placing them mouth downward on a plate, bubbles appeared on the outside of the mouth of the tumblers and then went inside. Why? The presence of bubbles suggests air, which I note must come from inside the tumbler. I see that the soapy water on the plate prevents escape of the air save as it may be caught in bubbles. But why should air leave the tumbler? There was no substance entering to force it out. It must have expanded. It expands by increase of heat, or by decrease of pressure, or both. Could the air have become heated after the tumbler was taken from the hot suds? Clearly not the air that was already entangled in the water. If heated air was the cause, cold air must have entered in transferring the tumblers from the suds to the plate. I test to see if this supposition is true by taking several more tumblers out. Some I shake so as to make sure of entrapping cold air in them. Some I take out holding mouth downward in order to prevent cold air from entering. Bubbles appear on the outside of every one of the former and on none of the latter. I must be right in my inference. Air from the outside must have been expanded by the heat of the tumbler, which explains the appearance of the bubbles on the outside. But why do they then go inside? Cold contracts. The tumbler cooled and also the air inside it. Tension was removed, and hence bubbles appeared inside. To be sure of this, I test by placing a cup of ice on the tumbler while the bubbles are still forming outside. They soon reverse” (Dewey 1910: 70–71; 1933: 93–94).

Dewey (1910, 1933) sprinkles his book with other examples of critical thinking. We will refer to the following.

Weather : A man on a walk notices that it has suddenly become cool, thinks that it is probably going to rain, looks up and sees a dark cloud obscuring the sun, and quickens his steps (1910: 6–10; 1933: 9–13).

Disorder : A man finds his rooms on his return to them in disorder with his belongings thrown about, thinks at first of burglary as an explanation, then thinks of mischievous children as being an alternative explanation, then looks to see whether valuables are missing, and discovers that they are (1910: 82–83; 1933: 166–168).

Typhoid : A physician diagnosing a patient whose conspicuous symptoms suggest typhoid avoids drawing a conclusion until more data are gathered by questioning the patient and by making tests (1910: 85–86; 1933: 170).

Blur : A moving blur catches our eye in the distance, we ask ourselves whether it is a cloud of whirling dust or a tree moving its branches or a man signaling to us, we think of other traits that should be found on each of those possibilities, and we look and see if those traits are found (1910: 102, 108; 1933: 121, 133).

Suction pump : In thinking about the suction pump, the scientist first notes that it will draw water only to a maximum height of 33 feet at sea level and to a lesser maximum height at higher elevations, selects for attention the differing atmospheric pressure at these elevations, sets up experiments in which the air is removed from a vessel containing water (when suction no longer works) and in which the weight of air at various levels is calculated, compares the results of reasoning about the height to which a given weight of air will allow a suction pump to raise water with the observed maximum height at different elevations, and finally assimilates the suction pump to such apparently different phenomena as the siphon and the rising of a balloon (1910: 150–153; 1933: 195–198).

Diamond : A passenger in a car driving in a diamond lane reserved for vehicles with at least one passenger notices that the diamond marks on the pavement are far apart in some places and close together in others. Why? The driver suggests that the reason may be that the diamond marks are not needed where there is a solid double line separating the diamond lane from the adjoining lane, but are needed when there is a dotted single line permitting crossing into the diamond lane. Further observation confirms that the diamonds are close together when a dotted line separates the diamond lane from its neighbour, but otherwise far apart.

Rash : A woman suddenly develops a very itchy red rash on her throat and upper chest. She recently noticed a mark on the back of her right hand, but was not sure whether the mark was a rash or a scrape. She lies down in bed and thinks about what might be causing the rash and what to do about it. About two weeks before, she began taking blood pressure medication that contained a sulfa drug, and the pharmacist had warned her, in view of a previous allergic reaction to a medication containing a sulfa drug, to be on the alert for an allergic reaction; however, she had been taking the medication for two weeks with no such effect. The day before, she began using a new cream on her neck and upper chest; against the new cream as the cause was mark on the back of her hand, which had not been exposed to the cream. She began taking probiotics about a month before. She also recently started new eye drops, but she supposed that manufacturers of eye drops would be careful not to include allergy-causing components in the medication. The rash might be a heat rash, since she recently was sweating profusely from her upper body. Since she is about to go away on a short vacation, where she would not have access to her usual physician, she decides to keep taking the probiotics and using the new eye drops but to discontinue the blood pressure medication and to switch back to the old cream for her neck and upper chest. She forms a plan to consult her regular physician on her return about the blood pressure medication.

Candidate : Although Dewey included no examples of thinking directed at appraising the arguments of others, such thinking has come to be considered a kind of critical thinking. We find an example of such thinking in the performance task on the Collegiate Learning Assessment (CLA+), which its sponsoring organization describes as

a performance-based assessment that provides a measure of an institution’s contribution to the development of critical-thinking and written communication skills of its students. (Council for Aid to Education 2017)

A sample task posted on its website requires the test-taker to write a report for public distribution evaluating a fictional candidate’s policy proposals and their supporting arguments, using supplied background documents, with a recommendation on whether to endorse the candidate.

Immediate acceptance of an idea that suggests itself as a solution to a problem (e.g., a possible explanation of an event or phenomenon, an action that seems likely to produce a desired result) is “uncritical thinking, the minimum of reflection” (Dewey 1910: 13). On-going suspension of judgment in the light of doubt about a possible solution is not critical thinking (Dewey 1910: 108). Critique driven by a dogmatically held political or religious ideology is not critical thinking; thus Paulo Freire (1968 [1970]) is using the term (e.g., at 1970: 71, 81, 100, 146) in a more politically freighted sense that includes not only reflection but also revolutionary action against oppression. Derivation of a conclusion from given data using an algorithm is not critical thinking.

What is critical thinking? There are many definitions. Ennis (2016) lists 14 philosophically oriented scholarly definitions and three dictionary definitions. Following Rawls (1971), who distinguished his conception of justice from a utilitarian conception but regarded them as rival conceptions of the same concept, Ennis maintains that the 17 definitions are different conceptions of the same concept. Rawls articulated the shared concept of justice as

a characteristic set of principles for assigning basic rights and duties and for determining… the proper distribution of the benefits and burdens of social cooperation. (Rawls 1971: 5)

Bailin et al. (1999b) claim that, if one considers what sorts of thinking an educator would take not to be critical thinking and what sorts to be critical thinking, one can conclude that educators typically understand critical thinking to have at least three features.

One could sum up the core concept that involves these three features by saying that critical thinking is careful goal-directed thinking. This core concept seems to apply to all the examples of critical thinking described in the previous section. As for the non-examples, their exclusion depends on construing careful thinking as excluding jumping immediately to conclusions, suspending judgment no matter how strong the evidence, reasoning from an unquestioned ideological or religious perspective, and routinely using an algorithm to answer a question.

If the core of critical thinking is careful goal-directed thinking, conceptions of it can vary according to its presumed scope, its presumed goal, one’s criteria and threshold for being careful, and the thinking component on which one focuses. As to its scope, some conceptions (e.g., Dewey 1910, 1933) restrict it to constructive thinking on the basis of one’s own observations and experiments, others (e.g., Ennis 1962; Fisher & Scriven 1997; Johnson 1992) to appraisal of the products of such thinking. Ennis (1991) and Bailin et al. (1999b) take it to cover both construction and appraisal. As to its goal, some conceptions restrict it to forming a judgment (Dewey 1910, 1933; Lipman 1987; Facione 1990a). Others allow for actions as well as beliefs as the end point of a process of critical thinking (Ennis 1991; Bailin et al. 1999b). As to the criteria and threshold for being careful, definitions vary in the term used to indicate that critical thinking satisfies certain norms: “intellectually disciplined” (Scriven & Paul 1987), “reasonable” (Ennis 1991), “skillful” (Lipman 1987), “skilled” (Fisher & Scriven 1997), “careful” (Bailin & Battersby 2009). Some definitions specify these norms, referring variously to “consideration of any belief or supposed form of knowledge in the light of the grounds that support it and the further conclusions to which it tends” (Dewey 1910, 1933); “the methods of logical inquiry and reasoning” (Glaser 1941); “conceptualizing, applying, analyzing, synthesizing, and/or evaluating information gathered from, or generated by, observation, experience, reflection, reasoning, or communication” (Scriven & Paul 1987); the requirement that “it is sensitive to context, relies on criteria, and is self-correcting” (Lipman 1987); “evidential, conceptual, methodological, criteriological, or contextual considerations” (Facione 1990a); and “plus-minus considerations of the product in terms of appropriate standards (or criteria)” (Johnson 1992). Stanovich and Stanovich (2010) propose to ground the concept of critical thinking in the concept of rationality, which they understand as combining epistemic rationality (fitting one’s beliefs to the world) and instrumental rationality (optimizing goal fulfillment); a critical thinker, in their view, is someone with “a propensity to override suboptimal responses from the autonomous mind” (2010: 227). These variant specifications of norms for critical thinking are not necessarily incompatible with one another, and in any case presuppose the core notion of thinking carefully. As to the thinking component singled out, some definitions focus on suspension of judgment during the thinking (Dewey 1910; McPeck 1981), others on inquiry while judgment is suspended (Bailin & Battersby 2009, 2021), others on the resulting judgment (Facione 1990a), and still others on responsiveness to reasons (Siegel 1988). Kuhn (2019) takes critical thinking to be more a dialogic practice of advancing and responding to arguments than an individual ability.

In educational contexts, a definition of critical thinking is a “programmatic definition” (Scheffler 1960: 19). It expresses a practical program for achieving an educational goal. For this purpose, a one-sentence formulaic definition is much less useful than articulation of a critical thinking process, with criteria and standards for the kinds of thinking that the process may involve. The real educational goal is recognition, adoption and implementation by students of those criteria and standards. That adoption and implementation in turn consists in acquiring the knowledge, abilities and dispositions of a critical thinker.

Conceptions of critical thinking generally do not include moral integrity as part of the concept. Dewey, for example, took critical thinking to be the ultimate intellectual goal of education, but distinguished it from the development of social cooperation among school children, which he took to be the central moral goal. Ennis (1996, 2011) added to his previous list of critical thinking dispositions a group of dispositions to care about the dignity and worth of every person, which he described as a “correlative” (1996) disposition without which critical thinking would be less valuable and perhaps harmful. An educational program that aimed at developing critical thinking but not the correlative disposition to care about the dignity and worth of every person, he asserted, “would be deficient and perhaps dangerous” (Ennis 1996: 172).

Dewey thought that education for reflective thinking would be of value to both the individual and society; recognition in educational practice of the kinship to the scientific attitude of children’s native curiosity, fertile imagination and love of experimental inquiry “would make for individual happiness and the reduction of social waste” (Dewey 1910: iii). Schools participating in the Eight-Year Study took development of the habit of reflective thinking and skill in solving problems as a means to leading young people to understand, appreciate and live the democratic way of life characteristic of the United States (Aikin 1942: 17–18, 81). Harvey Siegel (1988: 55–61) has offered four considerations in support of adopting critical thinking as an educational ideal. (1) Respect for persons requires that schools and teachers honour students’ demands for reasons and explanations, deal with students honestly, and recognize the need to confront students’ independent judgment; these requirements concern the manner in which teachers treat students. (2) Education has the task of preparing children to be successful adults, a task that requires development of their self-sufficiency. (3) Education should initiate children into the rational traditions in such fields as history, science and mathematics. (4) Education should prepare children to become democratic citizens, which requires reasoned procedures and critical talents and attitudes. To supplement these considerations, Siegel (1988: 62–90) responds to two objections: the ideology objection that adoption of any educational ideal requires a prior ideological commitment and the indoctrination objection that cultivation of critical thinking cannot escape being a form of indoctrination.

Despite the diversity of our 11 examples, one can recognize a common pattern. Dewey analyzed it as consisting of five phases:

The process of reflective thinking consisting of these phases would be preceded by a perplexed, troubled or confused situation and followed by a cleared-up, unified, resolved situation (Dewey 1933: 106). The term ‘phases’ replaced the term ‘steps’ (Dewey 1910: 72), thus removing the earlier suggestion of an invariant sequence. Variants of the above analysis appeared in (Dewey 1916: 177) and (Dewey 1938: 101–119).

The variant formulations indicate the difficulty of giving a single logical analysis of such a varied process. The process of critical thinking may have a spiral pattern, with the problem being redefined in the light of obstacles to solving it as originally formulated. For example, the person in Transit might have concluded that getting to the appointment at the scheduled time was impossible and have reformulated the problem as that of rescheduling the appointment for a mutually convenient time. Further, defining a problem does not always follow after or lead immediately to an idea of a suggested solution. Nor should it do so, as Dewey himself recognized in describing the physician in Typhoid as avoiding any strong preference for this or that conclusion before getting further information (Dewey 1910: 85; 1933: 170). People with a hypothesis in mind, even one to which they have a very weak commitment, have a so-called “confirmation bias” (Nickerson 1998): they are likely to pay attention to evidence that confirms the hypothesis and to ignore evidence that counts against it or for some competing hypothesis. Detectives, intelligence agencies, and investigators of airplane accidents are well advised to gather relevant evidence systematically and to postpone even tentative adoption of an explanatory hypothesis until the collected evidence rules out with the appropriate degree of certainty all but one explanation. Dewey’s analysis of the critical thinking process can be faulted as well for requiring acceptance or rejection of a possible solution to a defined problem, with no allowance for deciding in the light of the available evidence to suspend judgment. Further, given the great variety of kinds of problems for which reflection is appropriate, there is likely to be variation in its component events. Perhaps the best way to conceptualize the critical thinking process is as a checklist whose component events can occur in a variety of orders, selectively, and more than once. These component events might include (1) noticing a difficulty, (2) defining the problem, (3) dividing the problem into manageable sub-problems, (4) formulating a variety of possible solutions to the problem or sub-problem, (5) determining what evidence is relevant to deciding among possible solutions to the problem or sub-problem, (6) devising a plan of systematic observation or experiment that will uncover the relevant evidence, (7) carrying out the plan of systematic observation or experimentation, (8) noting the results of the systematic observation or experiment, (9) gathering relevant testimony and information from others, (10) judging the credibility of testimony and information gathered from others, (11) drawing conclusions from gathered evidence and accepted testimony, and (12) accepting a solution that the evidence adequately supports (cf. Hitchcock 2017: 485).

Checklist conceptions of the process of critical thinking are open to the objection that they are too mechanical and procedural to fit the multi-dimensional and emotionally charged issues for which critical thinking is urgently needed (Paul 1984). For such issues, a more dialectical process is advocated, in which competing relevant world views are identified, their implications explored, and some sort of creative synthesis attempted.

If one considers the critical thinking process illustrated by the 11 examples, one can identify distinct kinds of mental acts and mental states that form part of it. To distinguish, label and briefly characterize these components is a useful preliminary to identifying abilities, skills, dispositions, attitudes, habits and the like that contribute causally to thinking critically. Identifying such abilities and habits is in turn a useful preliminary to setting educational goals. Setting the goals is in its turn a useful preliminary to designing strategies for helping learners to achieve the goals and to designing ways of measuring the extent to which learners have done so. Such measures provide both feedback to learners on their achievement and a basis for experimental research on the effectiveness of various strategies for educating people to think critically. Let us begin, then, by distinguishing the kinds of mental acts and mental events that can occur in a critical thinking process.

By definition, a person who does something voluntarily is both willing and able to do that thing at that time. Both the willingness and the ability contribute causally to the person’s action, in the sense that the voluntary action would not occur if either (or both) of these were lacking. For example, suppose that one is standing with one’s arms at one’s sides and one voluntarily lifts one’s right arm to an extended horizontal position. One would not do so if one were unable to lift one’s arm, if for example one’s right side was paralyzed as the result of a stroke. Nor would one do so if one were unwilling to lift one’s arm, if for example one were participating in a street demonstration at which a white supremacist was urging the crowd to lift their right arm in a Nazi salute and one were unwilling to express support in this way for the racist Nazi ideology. The same analysis applies to a voluntary mental process of thinking critically. It requires both willingness and ability to think critically, including willingness and ability to perform each of the mental acts that compose the process and to coordinate those acts in a sequence that is directed at resolving the initiating perplexity.

Consider willingness first. We can identify causal contributors to willingness to think critically by considering factors that would cause a person who was able to think critically about an issue nevertheless not to do so (Hamby 2014). For each factor, the opposite condition thus contributes causally to willingness to think critically on a particular occasion. For example, people who habitually jump to conclusions without considering alternatives will not think critically about issues that arise, even if they have the required abilities. The contrary condition of willingness to suspend judgment is thus a causal contributor to thinking critically.

Now consider ability. In contrast to the ability to move one’s arm, which can be completely absent because a stroke has left the arm paralyzed, the ability to think critically is a developed ability, whose absence is not a complete absence of ability to think but absence of ability to think well. We can identify the ability to think well directly, in terms of the norms and standards for good thinking. In general, to be able do well the thinking activities that can be components of a critical thinking process, one needs to know the concepts and principles that characterize their good performance, to recognize in particular cases that the concepts and principles apply, and to apply them. The knowledge, recognition and application may be procedural rather than declarative. It may be domain-specific rather than widely applicable, and in either case may need subject-matter knowledge, sometimes of a deep kind.

Reflections of the sort illustrated by the previous two paragraphs have led scholars to identify the knowledge, abilities and dispositions of a “critical thinker”, i.e., someone who thinks critically whenever it is appropriate to do so. We turn now to these three types of causal contributors to thinking critically. We start with dispositions, since arguably these are the most powerful contributors to being a critical thinker, can be fostered at an early stage of a child’s development, and are susceptible to general improvement (Glaser 1941: 175)

8. Critical Thinking Dispositions

Educational researchers use the term ‘dispositions’ broadly for the habits of mind and attitudes that contribute causally to being a critical thinker. Some writers (e.g., Paul & Elder 2006; Hamby 2014; Bailin & Battersby 2016a) propose to use the term ‘virtues’ for this dimension of a critical thinker. The virtues in question, although they are virtues of character, concern the person’s ways of thinking rather than the person’s ways of behaving towards others. They are not moral virtues but intellectual virtues, of the sort articulated by Zagzebski (1996) and discussed by Turri, Alfano, and Greco (2017).

On a realistic conception, thinking dispositions or intellectual virtues are real properties of thinkers. They are general tendencies, propensities, or inclinations to think in particular ways in particular circumstances, and can be genuinely explanatory (Siegel 1999). Sceptics argue that there is no evidence for a specific mental basis for the habits of mind that contribute to thinking critically, and that it is pedagogically misleading to posit such a basis (Bailin et al. 1999a). Whatever their status, critical thinking dispositions need motivation for their initial formation in a child—motivation that may be external or internal. As children develop, the force of habit will gradually become important in sustaining the disposition (Nieto & Valenzuela 2012). Mere force of habit, however, is unlikely to sustain critical thinking dispositions. Critical thinkers must value and enjoy using their knowledge and abilities to think things through for themselves. They must be committed to, and lovers of, inquiry.

A person may have a critical thinking disposition with respect to only some kinds of issues. For example, one could be open-minded about scientific issues but not about religious issues. Similarly, one could be confident in one’s ability to reason about the theological implications of the existence of evil in the world but not in one’s ability to reason about the best design for a guided ballistic missile.

Facione (1990a: 25) divides “affective dispositions” of critical thinking into approaches to life and living in general and approaches to specific issues, questions or problems. Adapting this distinction, one can usefully divide critical thinking dispositions into initiating dispositions (those that contribute causally to starting to think critically about an issue) and internal dispositions (those that contribute causally to doing a good job of thinking critically once one has started). The two categories are not mutually exclusive. For example, open-mindedness, in the sense of willingness to consider alternative points of view to one’s own, is both an initiating and an internal disposition.

Using the strategy of considering factors that would block people with the ability to think critically from doing so, we can identify as initiating dispositions for thinking critically attentiveness, a habit of inquiry, self-confidence, courage, open-mindedness, willingness to suspend judgment, trust in reason, wanting evidence for one’s beliefs, and seeking the truth. We consider briefly what each of these dispositions amounts to, in each case citing sources that acknowledge them.

Some of the initiating dispositions, such as open-mindedness and willingness to suspend judgment, are also internal critical thinking dispositions, in the sense of mental habits or attitudes that contribute causally to doing a good job of critical thinking once one starts the process. But there are many other internal critical thinking dispositions. Some of them are parasitic on one’s conception of good thinking. For example, it is constitutive of good thinking about an issue to formulate the issue clearly and to maintain focus on it. For this purpose, one needs not only the corresponding ability but also the corresponding disposition. Ennis (1991: 8) describes it as the disposition “to determine and maintain focus on the conclusion or question”, Facione (1990a: 25) as “clarity in stating the question or concern”. Other internal dispositions are motivators to continue or adjust the critical thinking process, such as willingness to persist in a complex task and willingness to abandon nonproductive strategies in an attempt to self-correct (Halpern 1998: 452). For a list of identified internal critical thinking dispositions, see the Supplement on Internal Critical Thinking Dispositions .

Some theorists postulate skills, i.e., acquired abilities, as operative in critical thinking. It is not obvious, however, that a good mental act is the exercise of a generic acquired skill. Inferring an expected time of arrival, as in Transit , has some generic components but also uses non-generic subject-matter knowledge. Bailin et al. (1999a) argue against viewing critical thinking skills as generic and discrete, on the ground that skilled performance at a critical thinking task cannot be separated from knowledge of concepts and from domain-specific principles of good thinking. Talk of skills, they concede, is unproblematic if it means merely that a person with critical thinking skills is capable of intelligent performance.

Despite such scepticism, theorists of critical thinking have listed as general contributors to critical thinking what they variously call abilities (Glaser 1941; Ennis 1962, 1991), skills (Facione 1990a; Halpern 1998) or competencies (Fisher & Scriven 1997). Amalgamating these lists would produce a confusing and chaotic cornucopia of more than 50 possible educational objectives, with only partial overlap among them. It makes sense instead to try to understand the reasons for the multiplicity and diversity, and to make a selection according to one’s own reasons for singling out abilities to be developed in a critical thinking curriculum. Two reasons for diversity among lists of critical thinking abilities are the underlying conception of critical thinking and the envisaged educational level. Appraisal-only conceptions, for example, involve a different suite of abilities than constructive-only conceptions. Some lists, such as those in (Glaser 1941), are put forward as educational objectives for secondary school students, whereas others are proposed as objectives for college students (e.g., Facione 1990a).

The abilities described in the remaining paragraphs of this section emerge from reflection on the general abilities needed to do well the thinking activities identified in section 6 as components of the critical thinking process described in section 5 . The derivation of each collection of abilities is accompanied by citation of sources that list such abilities and of standardized tests that claim to test them.

Observational abilities : Careful and accurate observation sometimes requires specialist expertise and practice, as in the case of observing birds and observing accident scenes. However, there are general abilities of noticing what one’s senses are picking up from one’s environment and of being able to articulate clearly and accurately to oneself and others what one has observed. It helps in exercising them to be able to recognize and take into account factors that make one’s observation less trustworthy, such as prior framing of the situation, inadequate time, deficient senses, poor observation conditions, and the like. It helps as well to be skilled at taking steps to make one’s observation more trustworthy, such as moving closer to get a better look, measuring something three times and taking the average, and checking what one thinks one is observing with someone else who is in a good position to observe it. It also helps to be skilled at recognizing respects in which one’s report of one’s observation involves inference rather than direct observation, so that one can then consider whether the inference is justified. These abilities come into play as well when one thinks about whether and with what degree of confidence to accept an observation report, for example in the study of history or in a criminal investigation or in assessing news reports. Observational abilities show up in some lists of critical thinking abilities (Ennis 1962: 90; Facione 1990a: 16; Ennis 1991: 9). There are items testing a person’s ability to judge the credibility of observation reports in the Cornell Critical Thinking Tests, Levels X and Z (Ennis & Millman 1971; Ennis, Millman, & Tomko 1985, 2005). Norris and King (1983, 1985, 1990a, 1990b) is a test of ability to appraise observation reports.

Emotional abilities : The emotions that drive a critical thinking process are perplexity or puzzlement, a wish to resolve it, and satisfaction at achieving the desired resolution. Children experience these emotions at an early age, without being trained to do so. Education that takes critical thinking as a goal needs only to channel these emotions and to make sure not to stifle them. Collaborative critical thinking benefits from ability to recognize one’s own and others’ emotional commitments and reactions.

Questioning abilities : A critical thinking process needs transformation of an inchoate sense of perplexity into a clear question. Formulating a question well requires not building in questionable assumptions, not prejudging the issue, and using language that in context is unambiguous and precise enough (Ennis 1962: 97; 1991: 9).

Imaginative abilities : Thinking directed at finding the correct causal explanation of a general phenomenon or particular event requires an ability to imagine possible explanations. Thinking about what policy or plan of action to adopt requires generation of options and consideration of possible consequences of each option. Domain knowledge is required for such creative activity, but a general ability to imagine alternatives is helpful and can be nurtured so as to become easier, quicker, more extensive, and deeper (Dewey 1910: 34–39; 1933: 40–47). Facione (1990a) and Halpern (1998) include the ability to imagine alternatives as a critical thinking ability.

Inferential abilities : The ability to draw conclusions from given information, and to recognize with what degree of certainty one’s own or others’ conclusions follow, is universally recognized as a general critical thinking ability. All 11 examples in section 2 of this article include inferences, some from hypotheses or options (as in Transit , Ferryboat and Disorder ), others from something observed (as in Weather and Rash ). None of these inferences is formally valid. Rather, they are licensed by general, sometimes qualified substantive rules of inference (Toulmin 1958) that rest on domain knowledge—that a bus trip takes about the same time in each direction, that the terminal of a wireless telegraph would be located on the highest possible place, that sudden cooling is often followed by rain, that an allergic reaction to a sulfa drug generally shows up soon after one starts taking it. It is a matter of controversy to what extent the specialized ability to deduce conclusions from premisses using formal rules of inference is needed for critical thinking. Dewey (1933) locates logical forms in setting out the products of reflection rather than in the process of reflection. Ennis (1981a), on the other hand, maintains that a liberally-educated person should have the following abilities: to translate natural-language statements into statements using the standard logical operators, to use appropriately the language of necessary and sufficient conditions, to deal with argument forms and arguments containing symbols, to determine whether in virtue of an argument’s form its conclusion follows necessarily from its premisses, to reason with logically complex propositions, and to apply the rules and procedures of deductive logic. Inferential abilities are recognized as critical thinking abilities by Glaser (1941: 6), Facione (1990a: 9), Ennis (1991: 9), Fisher & Scriven (1997: 99, 111), and Halpern (1998: 452). Items testing inferential abilities constitute two of the five subtests of the Watson Glaser Critical Thinking Appraisal (Watson & Glaser 1980a, 1980b, 1994), two of the four sections in the Cornell Critical Thinking Test Level X (Ennis & Millman 1971; Ennis, Millman, & Tomko 1985, 2005), three of the seven sections in the Cornell Critical Thinking Test Level Z (Ennis & Millman 1971; Ennis, Millman, & Tomko 1985, 2005), 11 of the 34 items on Forms A and B of the California Critical Thinking Skills Test (Facione 1990b, 1992), and a high but variable proportion of the 25 selected-response questions in the Collegiate Learning Assessment (Council for Aid to Education 2017).

Experimenting abilities : Knowing how to design and execute an experiment is important not just in scientific research but also in everyday life, as in Rash . Dewey devoted a whole chapter of his How We Think (1910: 145–156; 1933: 190–202) to the superiority of experimentation over observation in advancing knowledge. Experimenting abilities come into play at one remove in appraising reports of scientific studies. Skill in designing and executing experiments includes the acknowledged abilities to appraise evidence (Glaser 1941: 6), to carry out experiments and to apply appropriate statistical inference techniques (Facione 1990a: 9), to judge inductions to an explanatory hypothesis (Ennis 1991: 9), and to recognize the need for an adequately large sample size (Halpern 1998). The Cornell Critical Thinking Test Level Z (Ennis & Millman 1971; Ennis, Millman, & Tomko 1985, 2005) includes four items (out of 52) on experimental design. The Collegiate Learning Assessment (Council for Aid to Education 2017) makes room for appraisal of study design in both its performance task and its selected-response questions.

Consulting abilities : Skill at consulting sources of information comes into play when one seeks information to help resolve a problem, as in Candidate . Ability to find and appraise information includes ability to gather and marshal pertinent information (Glaser 1941: 6), to judge whether a statement made by an alleged authority is acceptable (Ennis 1962: 84), to plan a search for desired information (Facione 1990a: 9), and to judge the credibility of a source (Ennis 1991: 9). Ability to judge the credibility of statements is tested by 24 items (out of 76) in the Cornell Critical Thinking Test Level X (Ennis & Millman 1971; Ennis, Millman, & Tomko 1985, 2005) and by four items (out of 52) in the Cornell Critical Thinking Test Level Z (Ennis & Millman 1971; Ennis, Millman, & Tomko 1985, 2005). The College Learning Assessment’s performance task requires evaluation of whether information in documents is credible or unreliable (Council for Aid to Education 2017).

Argument analysis abilities : The ability to identify and analyze arguments contributes to the process of surveying arguments on an issue in order to form one’s own reasoned judgment, as in Candidate . The ability to detect and analyze arguments is recognized as a critical thinking skill by Facione (1990a: 7–8), Ennis (1991: 9) and Halpern (1998). Five items (out of 34) on the California Critical Thinking Skills Test (Facione 1990b, 1992) test skill at argument analysis. The College Learning Assessment (Council for Aid to Education 2017) incorporates argument analysis in its selected-response tests of critical reading and evaluation and of critiquing an argument.

Judging skills and deciding skills : Skill at judging and deciding is skill at recognizing what judgment or decision the available evidence and argument supports, and with what degree of confidence. It is thus a component of the inferential skills already discussed.

Lists and tests of critical thinking abilities often include two more abilities: identifying assumptions and constructing and evaluating definitions.

In addition to dispositions and abilities, critical thinking needs knowledge: of critical thinking concepts, of critical thinking principles, and of the subject-matter of the thinking.

We can derive a short list of concepts whose understanding contributes to critical thinking from the critical thinking abilities described in the preceding section. Observational abilities require an understanding of the difference between observation and inference. Questioning abilities require an understanding of the concepts of ambiguity and vagueness. Inferential abilities require an understanding of the difference between conclusive and defeasible inference (traditionally, between deduction and induction), as well as of the difference between necessary and sufficient conditions. Experimenting abilities require an understanding of the concepts of hypothesis, null hypothesis, assumption and prediction, as well as of the concept of statistical significance and of its difference from importance. They also require an understanding of the difference between an experiment and an observational study, and in particular of the difference between a randomized controlled trial, a prospective correlational study and a retrospective (case-control) study. Argument analysis abilities require an understanding of the concepts of argument, premiss, assumption, conclusion and counter-consideration. Additional critical thinking concepts are proposed by Bailin et al. (1999b: 293), Fisher & Scriven (1997: 105–106), Black (2012), and Blair (2021).

According to Glaser (1941: 25), ability to think critically requires knowledge of the methods of logical inquiry and reasoning. If we review the list of abilities in the preceding section, however, we can see that some of them can be acquired and exercised merely through practice, possibly guided in an educational setting, followed by feedback. Searching intelligently for a causal explanation of some phenomenon or event requires that one consider a full range of possible causal contributors, but it seems more important that one implements this principle in one’s practice than that one is able to articulate it. What is important is “operational knowledge” of the standards and principles of good thinking (Bailin et al. 1999b: 291–293). But the development of such critical thinking abilities as designing an experiment or constructing an operational definition can benefit from learning their underlying theory. Further, explicit knowledge of quirks of human thinking seems useful as a cautionary guide. Human memory is not just fallible about details, as people learn from their own experiences of misremembering, but is so malleable that a detailed, clear and vivid recollection of an event can be a total fabrication (Loftus 2017). People seek or interpret evidence in ways that are partial to their existing beliefs and expectations, often unconscious of their “confirmation bias” (Nickerson 1998). Not only are people subject to this and other cognitive biases (Kahneman 2011), of which they are typically unaware, but it may be counter-productive for one to make oneself aware of them and try consciously to counteract them or to counteract social biases such as racial or sexual stereotypes (Kenyon & Beaulac 2014). It is helpful to be aware of these facts and of the superior effectiveness of blocking the operation of biases—for example, by making an immediate record of one’s observations, refraining from forming a preliminary explanatory hypothesis, blind refereeing, double-blind randomized trials, and blind grading of students’ work. It is also helpful to be aware of the prevalence of “noise” (unwanted unsystematic variability of judgments), of how to detect noise (through a noise audit), and of how to reduce noise: make accuracy the goal, think statistically, break a process of arriving at a judgment into independent tasks, resist premature intuitions, in a group get independent judgments first, favour comparative judgments and scales (Kahneman, Sibony, & Sunstein 2021). It is helpful as well to be aware of the concept of “bounded rationality” in decision-making and of the related distinction between “satisficing” and optimizing (Simon 1956; Gigerenzer 2001).

Critical thinking about an issue requires substantive knowledge of the domain to which the issue belongs. Critical thinking abilities are not a magic elixir that can be applied to any issue whatever by somebody who has no knowledge of the facts relevant to exploring that issue. For example, the student in Bubbles needed to know that gases do not penetrate solid objects like a glass, that air expands when heated, that the volume of an enclosed gas varies directly with its temperature and inversely with its pressure, and that hot objects will spontaneously cool down to the ambient temperature of their surroundings unless kept hot by insulation or a source of heat. Critical thinkers thus need a rich fund of subject-matter knowledge relevant to the variety of situations they encounter. This fact is recognized in the inclusion among critical thinking dispositions of a concern to become and remain generally well informed.

Experimental educational interventions, with control groups, have shown that education can improve critical thinking skills and dispositions, as measured by standardized tests. For information about these tests, see the Supplement on Assessment .

What educational methods are most effective at developing the dispositions, abilities and knowledge of a critical thinker? In a comprehensive meta-analysis of experimental and quasi-experimental studies of strategies for teaching students to think critically, Abrami et al. (2015) found that dialogue, anchored instruction, and mentoring each increased the effectiveness of the educational intervention, and that they were most effective when combined. They also found that in these studies a combination of separate instruction in critical thinking with subject-matter instruction in which students are encouraged to think critically was more effective than either by itself. However, the difference was not statistically significant; that is, it might have arisen by chance.

Most of these studies lack the longitudinal follow-up required to determine whether the observed differential improvements in critical thinking abilities or dispositions continue over time, for example until high school or college graduation. For details on studies of methods of developing critical thinking skills and dispositions, see the Supplement on Educational Methods .

12. Controversies

Scholars have denied the generalizability of critical thinking abilities across subject domains, have alleged bias in critical thinking theory and pedagogy, and have investigated the relationship of critical thinking to other kinds of thinking.

McPeck (1981) attacked the thinking skills movement of the 1970s, including the critical thinking movement. He argued that there are no general thinking skills, since thinking is always thinking about some subject-matter. It is futile, he claimed, for schools and colleges to teach thinking as if it were a separate subject. Rather, teachers should lead their pupils to become autonomous thinkers by teaching school subjects in a way that brings out their cognitive structure and that encourages and rewards discussion and argument. As some of his critics (e.g., Paul 1985; Siegel 1985) pointed out, McPeck’s central argument needs elaboration, since it has obvious counter-examples in writing and speaking, for which (up to a certain level of complexity) there are teachable general abilities even though they are always about some subject-matter. To make his argument convincing, McPeck needs to explain how thinking differs from writing and speaking in a way that does not permit useful abstraction of its components from the subject-matters with which it deals. He has not done so. Nevertheless, his position that the dispositions and abilities of a critical thinker are best developed in the context of subject-matter instruction is shared by many theorists of critical thinking, including Dewey (1910, 1933), Glaser (1941), Passmore (1980), Weinstein (1990), Bailin et al. (1999b), and Willingham (2019).

McPeck’s challenge prompted reflection on the extent to which critical thinking is subject-specific. McPeck argued for a strong subject-specificity thesis, according to which it is a conceptual truth that all critical thinking abilities are specific to a subject. (He did not however extend his subject-specificity thesis to critical thinking dispositions. In particular, he took the disposition to suspend judgment in situations of cognitive dissonance to be a general disposition.) Conceptual subject-specificity is subject to obvious counter-examples, such as the general ability to recognize confusion of necessary and sufficient conditions. A more modest thesis, also endorsed by McPeck, is epistemological subject-specificity, according to which the norms of good thinking vary from one field to another. Epistemological subject-specificity clearly holds to a certain extent; for example, the principles in accordance with which one solves a differential equation are quite different from the principles in accordance with which one determines whether a painting is a genuine Picasso. But the thesis suffers, as Ennis (1989) points out, from vagueness of the concept of a field or subject and from the obvious existence of inter-field principles, however broadly the concept of a field is construed. For example, the principles of hypothetico-deductive reasoning hold for all the varied fields in which such reasoning occurs. A third kind of subject-specificity is empirical subject-specificity, according to which as a matter of empirically observable fact a person with the abilities and dispositions of a critical thinker in one area of investigation will not necessarily have them in another area of investigation.

The thesis of empirical subject-specificity raises the general problem of transfer. If critical thinking abilities and dispositions have to be developed independently in each school subject, how are they of any use in dealing with the problems of everyday life and the political and social issues of contemporary society, most of which do not fit into the framework of a traditional school subject? Proponents of empirical subject-specificity tend to argue that transfer is more likely to occur if there is critical thinking instruction in a variety of domains, with explicit attention to dispositions and abilities that cut across domains. But evidence for this claim is scanty. There is a need for well-designed empirical studies that investigate the conditions that make transfer more likely.

It is common ground in debates about the generality or subject-specificity of critical thinking dispositions and abilities that critical thinking about any topic requires background knowledge about the topic. For example, the most sophisticated understanding of the principles of hypothetico-deductive reasoning is of no help unless accompanied by some knowledge of what might be plausible explanations of some phenomenon under investigation.

Critics have objected to bias in the theory, pedagogy and practice of critical thinking. Commentators (e.g., Alston 1995; Ennis 1998) have noted that anyone who takes a position has a bias in the neutral sense of being inclined in one direction rather than others. The critics, however, are objecting to bias in the pejorative sense of an unjustified favoring of certain ways of knowing over others, frequently alleging that the unjustly favoured ways are those of a dominant sex or culture (Bailin 1995). These ways favour:

A common thread in this smorgasbord of accusations is dissatisfaction with focusing on the logical analysis and evaluation of reasoning and arguments. While these authors acknowledge that such analysis and evaluation is part of critical thinking and should be part of its conceptualization and pedagogy, they insist that it is only a part. Paul (1981), for example, bemoans the tendency of atomistic teaching of methods of analyzing and evaluating arguments to turn students into more able sophists, adept at finding fault with positions and arguments with which they disagree but even more entrenched in the egocentric and sociocentric biases with which they began. Martin (1992) and Thayer-Bacon (1992) cite with approval the self-reported intimacy with their subject-matter of leading researchers in biology and medicine, an intimacy that conflicts with the distancing allegedly recommended in standard conceptions and pedagogy of critical thinking. Thayer-Bacon (2000) contrasts the embodied and socially embedded learning of her elementary school students in a Montessori school, who used their imagination, intuition and emotions as well as their reason, with conceptions of critical thinking as

thinking that is used to critique arguments, offer justifications, and make judgments about what are the good reasons, or the right answers. (Thayer-Bacon 2000: 127–128)

Alston (2001) reports that her students in a women’s studies class were able to see the flaws in the Cinderella myth that pervades much romantic fiction but in their own romantic relationships still acted as if all failures were the woman’s fault and still accepted the notions of love at first sight and living happily ever after. Students, she writes, should

be able to connect their intellectual critique to a more affective, somatic, and ethical account of making risky choices that have sexist, racist, classist, familial, sexual, or other consequences for themselves and those both near and far… critical thinking that reads arguments, texts, or practices merely on the surface without connections to feeling/desiring/doing or action lacks an ethical depth that should infuse the difference between mere cognitive activity and something we want to call critical thinking. (Alston 2001: 34)

Some critics portray such biases as unfair to women. Thayer-Bacon (1992), for example, has charged modern critical thinking theory with being sexist, on the ground that it separates the self from the object and causes one to lose touch with one’s inner voice, and thus stigmatizes women, who (she asserts) link self to object and listen to their inner voice. Her charge does not imply that women as a group are on average less able than men to analyze and evaluate arguments. Facione (1990c) found no difference by sex in performance on his California Critical Thinking Skills Test. Kuhn (1991: 280–281) found no difference by sex in either the disposition or the competence to engage in argumentative thinking.

The critics propose a variety of remedies for the biases that they allege. In general, they do not propose to eliminate or downplay critical thinking as an educational goal. Rather, they propose to conceptualize critical thinking differently and to change its pedagogy accordingly. Their pedagogical proposals arise logically from their objections. They can be summarized as follows:

A common thread in these proposals is treatment of critical thinking as a social, interactive, personally engaged activity like that of a quilting bee or a barn-raising (Thayer-Bacon 2000) rather than as an individual, solitary, distanced activity symbolized by Rodin’s The Thinker . One can get a vivid description of education with the former type of goal from the writings of bell hooks (1994, 2010). Critical thinking for her is open-minded dialectical exchange across opposing standpoints and from multiple perspectives, a conception similar to Paul’s “strong sense” critical thinking (Paul 1981). She abandons the structure of domination in the traditional classroom. In an introductory course on black women writers, for example, she assigns students to write an autobiographical paragraph about an early racial memory, then to read it aloud as the others listen, thus affirming the uniqueness and value of each voice and creating a communal awareness of the diversity of the group’s experiences (hooks 1994: 84). Her “engaged pedagogy” is thus similar to the “freedom under guidance” implemented in John Dewey’s Laboratory School of Chicago in the late 1890s and early 1900s. It incorporates the dialogue, anchored instruction, and mentoring that Abrami (2015) found to be most effective in improving critical thinking skills and dispositions.

What is the relationship of critical thinking to problem solving, decision-making, higher-order thinking, creative thinking, and other recognized types of thinking? One’s answer to this question obviously depends on how one defines the terms used in the question. If critical thinking is conceived broadly to cover any careful thinking about any topic for any purpose, then problem solving and decision making will be kinds of critical thinking, if they are done carefully. Historically, ‘critical thinking’ and ‘problem solving’ were two names for the same thing. If critical thinking is conceived more narrowly as consisting solely of appraisal of intellectual products, then it will be disjoint with problem solving and decision making, which are constructive.

Bloom’s taxonomy of educational objectives used the phrase “intellectual abilities and skills” for what had been labeled “critical thinking” by some, “reflective thinking” by Dewey and others, and “problem solving” by still others (Bloom et al. 1956: 38). Thus, the so-called “higher-order thinking skills” at the taxonomy’s top levels of analysis, synthesis and evaluation are just critical thinking skills, although they do not come with general criteria for their assessment (Ennis 1981b). The revised version of Bloom’s taxonomy (Anderson et al. 2001) likewise treats critical thinking as cutting across those types of cognitive process that involve more than remembering (Anderson et al. 2001: 269–270). For details, see the Supplement on History .

As to creative thinking, it overlaps with critical thinking (Bailin 1987, 1988). Thinking about the explanation of some phenomenon or event, as in Ferryboat , requires creative imagination in constructing plausible explanatory hypotheses. Likewise, thinking about a policy question, as in Candidate , requires creativity in coming up with options. Conversely, creativity in any field needs to be balanced by critical appraisal of the draft painting or novel or mathematical theory.

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10 Barriers to Critical Thinking & Tips to Overcome Them

students overcoming barriers to critical thinking

Critical thinking is an essential life skill, especially in an age where deceptions like “my truth” and “your truth” run rampant.

It allows us to think our way through issues and arrive at effective solutions, and it is a skill that deserves the dedication it takes to hone it.

In some cases, there are invisible barriers to critical thinking that must first be broken down before progress can be made.

Because it is so vitally important for our teens to develop such skills—to think for themselves in a world pressuring them to tow the line—I think it’s worth addressing potential obstacles in their way.

Here are 10 common barriers to critical thinking that may reveal themselves as you seek to teach this vital skill.

1. Lack of Practice

Considering what causes a lack of critical thinking , the word “practice” comes to mind.

The phrase “practice makes progress” rings true when developing critical thinking skills .

Critical thinking may be discussed at length and encouraged theoretically, but is it expressed in the assignments or exercises our teens do on a daily basis?

Sadly, many assignments simply ask for regurgitated facts from a textbook that require little to no real thinking.

If we want to see our students thrive in the realm of critical thinking, we need to provide them with opportunities to practice and apply what they’ve learned in real-life situations.

2. Perceived Inability to Teach It

The idea that you’re not capable of teaching such a thing may just become a self-fulfilling prophecy.

If you believe you can’t teach critical thinking, you may not even try. If you do try, you may be plagued by self-doubt that shakes your confidence.

If you’ve ever thought …

“Why is critical thinking so difficult?”

You’re not alone.

It can be hard to plainly identify what critical thinking is and how to teach it. That’s one of the main reasons we created Philosophy Adventure —to provide an intriguing way to teach critical thinking effectively.

20 Questions: Exercises in Critical Thinking

Get a Question-Based Critical Thinking Exercise—Free!

Introduce critical thinking gently & easily with thought-provoking exercises.

3. Normalcy Bias

Normalcy bias is a subconscious response that falsely assures things will remain the same as they always were.

Every type of bias works against critical thinking as it uses emotion to make decisions rather than rational thought rooted in truth.

This bias encourages our minds to ignore danger and new information in favor of maintaining the safety and security of our “regular” lives.

For example, normalcy bias leads us to believe that freedom will always be free despite growing threats to quench it.

Frankly, it’s a dangerous barrier to critical thinking with the potential for lasting consequences.

4. Group-Think

The group-think effect is a phenomenon where individuals conform to the beliefs of others in order to avoid appearing different.

It can lead to mass conformity in which society grows blind to flaws in opinion-based reasoning.

Why think for yourself when someone else can do it for you? It’s a sobering thought—and a major obstacle to critical thinking—but I fear it’s one that is sweeping the world.

This is an especially tough barrier for teenagers who are often desperate to be accepted and liked by their peers.

Rather than relying on critical thinking to decipher between right and wrong, they may cave to peer pressure because “everyone else is doing it.”

This barrier is yet another poignant example of why it’s so important to help our children develop critical thinking skills.

5. Distorted View of Truth

We’re also susceptible to having a distorted view of what is fact and what isn’t. If we’re not careful, our view of truth can be distorted by misleading opinions.

Passionate people with deeply held beliefs are often willing to loudly defend them.

Such passion and charisma can seduce teens and adults alike who may not fully know what they believe— or why they believe it .

Of all the psychological obstacles to critical thinking, fear is a weighty one.

I humbly suggest that it is the fear of failure or the fear of change that is most likely to act as a hindrance to critical thinking.

Sometimes, when we look at an issue from every angle, we find that the only right reaction is to change.

Likewise, if we fear failure, we’re likely to not act or try at all.

And when it comes to trying to discern the truth in order to act upon it, not doing so can be far worse than the perceived failure itself.

7. Viewing Everything Through the Lens of “Self”

Some people call it “egocentric thinking.” Whatever the name, it is the tendency to think about the world only as it relates to us.

This self-centered thinking is natural, but there’s great value in training our minds to be able to view issues from another’s point of view. When problem-solving, it’s important to consider other perspectives.

This is particularly true when dealing with people who may be affected by our actions.

8. Past Experiences

Past experiences, relationships, even trauma can change us in a number of ways.

What happened in the past surrounding any given thing most certainly influences how we think and feel about that thing in the future.

But it’s important to recognize past experiences for what they are—a single moment (or period) of time.

They should not define our thoughts, nor should they dictate our actions as we seek to answer life’s questions objectively.

Undoubtedly, it can be difficult to put such things in perspective so, and it calls for self-control, but it’s important to train our teens to try.

Relying exclusively on the past to make decisions today can lead to negative outcomes as it relies on information that may not be true.

9. Assumptions

Assumptions dampen our ability to learn. Though often flawed, assumptions quench our desire to ask questions because we think we already know the answers.

What a sad state to be stuck in because the truth is …

We don’t know what we don’t know.

How can we learn what we don’t know if we never root out the truth in a given matter?

That’s simply not true. We have an innate ability to learn new things, and critical thinking helps us do just that—with integrity.

10. Time Constraints

There’s so much to learn in school that it can be hard to find the time to invest in critical thinking discussion and activities .

This skill can often be moved to the side while teens learn about world history and how to write a proper essay—both of which are no doubt important.

But I would argue that critical thinking gives students the foundation to not only better digest the material learned but to excel in it.

How to Overcome Common Barriers to Critical Thinking

We’ve established that critical thinking is an essential part of becoming a discerning adult, unmoved by news biases or passionate, emotional language.

That being said, how do we break through the barriers that hinder critical thinking and move forward to teach such a significant skill?

You can help your students better develop their critical thinking skills by encouraging thoughtful questions and debate.

When consuming news from around the world, inspire them to challenge their initial emotional reactions to the information presented. Teach them how to seek impartial data and use that to form an educated opinion.

Providing real-world examples and connections between topics is a great way to encourage teens to think more deeply about a subject.

Rather than presenting multiple choice answers or fill-in-the-blanks, ask them to talk through the question out loud based on the information they’ve been given.

You can also try a fun exercise with these critical thinking questions for kids .

The ability to clearly vocalize beliefs and express thoughts is a priceless skill, and one that we have weaved into every lesson of Philosophy Adventure :

will your children recognize truth?

Critical thinking is a learned skill that requires practice (and breaking down barriers when they arise).

However, the ability to identify logical fallacies in arguments and recognize deception is well worth investing in.

Recognizing potential barriers that are obstructing that end goal is a solid first step.

About The Author

Stacy Farrell

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5 Barriers to Critical Thinking

Posted by Fred Magoro | Sep 27, 2021 | Featured , Mindset | 0 |

Critical thinking is essential to using your overall experience, background, common sense, and other attributes to become more aware of how your efforts for success are being spent. When you have barriers to the critical thinking process, it can seriously harm your ability to move forward.

When you become aware of these barriers, you can better overcome them and focus your thinking on what’s going to move you forward rather than getting stuck behind a barrier – unable to move forward.

Here are five barriers that can impede the critical thinking process:

1. thinking in black or white.

Some people ignore a situation’s complexities by thinking that there’s only one way to solve a problem. The problem is placed in a category, given a label and that’s the only way that matters. Thinking in black and white comes from our need to have certainty in our lives, but it’s false logic to assume that everything is totally one way.

2. Thinking with the Ego

Egocentric thinking is thinking with a lack of understanding others’ wants and needs. It limits your thinking to only your point of view and doesn’t have room for others’ ideas. This thinking process is deeply embedded in our psyches, and it sometimes takes deliberate effort to overcome it.

3. Social Thinking

The drone mentality of social thinking only lets us see things in the way of the popular point of view – or the way that our spouse, companions, parents, and friends think. Thinking outside the box is almost impossible when you have a barrier of social thinking and it can greatly impede the critical thinking process.

4. Authoritative Thinking

Just because someone in authority says it’s true doesn’t mean it is. You’ve likely been swayed at one time or another by political leaders who say one thing is true only to find out later that it was a lie or a misleading way of thinking. The authority could be a person, peer group, institution, or anything that makes you think that they’re right because they’re in an authoritative position.

5. Judgmental Thinking

When you judge something or someone based on moral evaluation it’s usually done in haste and based on our past in some way – such as the way we were raised, educated, or other values and mores. Judgmental thinking is usually non-rational thinking and can block understanding and insight about a person or an issue.

It’s important that we recognize our own barriers to the critical thinking process and replace those barriers with rational and reasoned thinking and then make a concentrated effort to avoid them.

About The Author

Fred Magoro

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What Are Four Barriers to Critical Thinking?

Robert russell.

The late 19th century American philosopher Charles Peirce developed a sophisticated model for critical thinking. Peirce was the founder of the tradition of American philosophy called Pragmatism. According to Pragmatism, all thought is contextual. People's thoughts and beliefs help them to make sense of the world. When the context changes or your beliefs become problematic, you are compelled to "fix your beliefs." This is done through opening the road to inquiry. The barriers to critical thinking, in Peirce's terms, are anything that blocks the road to inquiry.

Explore this article

Stubborness

1 Stubborness

One of the barriers to critical thinking is stubbornness. Peirce referred to this as "the method of tenacity." Having a clear set of beliefs and opinions helps to make sense of things, provides comfort and doesn't leave you in a state of indecisiveness. A person is "tenacious" or stubborn, in Peirce's sense, when he clings stubbornly to his beliefs even when evidence and new facts emerge that place his views in question.

2 Prejudice

Another barrier that hinders critical thinking is prejudice or bias. On a practical level, people know that it is wrong to be prejudiced or biased against others. However, Peirce's view of prejudice and bias is more subtle, and simply refers to the fact that thought doesn't occur in a vacuum. The 20th century philosopher Hans Georg Gadamer argued that prejudice is a condition of thought. Everyone comes from particular traditions and cultures that shape the ways in which they view the world. Your family and the social environment you grow up in affect the way you think about and evaluate things and events. One of the goals of the scientific method is to root out subjective biases and influences. Peirce argued that science should be based on a community of inquirers rather than the individual scientist, as individual thought is one-sided and incomplete.

Because a person's beliefs and worldviews provide comfort and guidance, anything that places those beliefs in question is threatening. Fear may prevent you from pursuing a line of questioning or from confronting evidence and facts that may force you to reevaluate your position. Fear interferes with critical thinking on an individual level or at an institutional level. Galileo's conflict with the Catholic Church is an example of institutional fear. The Church felt threatened by Galileo's heliocentric view of the universe and stubbornly clung to the geocentric view that places the earth at the center of the universe.

Another barrier to critical thinking is laziness. Critical thinking takes effort, patience and a willingness to explore, analyze and consider different points of view. The original model of critical thinking is the Socratic method. The Socratic method is a primary teaching tool in most law schools. The Greek philosopher Socrates (469 to 399 BC) pursued truth by engaging in a dialogue about a particular topic. A genuine dialogue requires that the parties involved are willing to be swayed by the force of the better argument.

About the Author

Robert Russell began writing online professionally in 2010. He holds a Ph.D. in philosophy and is currently working on a book project exploring the relationship between art, entertainment and culture. He is the guitar player for the nationally touring cajun/zydeco band Creole Stomp. Russell travels with his laptop and writes many of his articles on the road between gigs.

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Eight Barriers to Critical Thinking

Eight Barriers to Critical Thinking Part 1 of 2 by Mike Saxton, PhD

At the beginning of every term, I share a message with all my students about being critical thinkers, warning them about fallacious thinking: allowing cognitive biases and logical fallacies to replace reason. I highlight the barriers to critical thinking that come up most often, both in and outside the classroom. When students are aware of these concepts, they can participate in breaking down barriers and allowing real discussion to take place. While this article is not an exhaustive list, it comprises a number of issues that surface in academic settings.

Confirmation Bias Confirmation bias, one of the better-known fallacies, is effectively “cherry picking.” People seek only evidence that supports their views and disregard contrary points. This bias forms the foundation of “echo chambers,” where people with similar beliefs group together and assure each other that their view is the correct one. While it’s normal and reasonable to seek the company of those with similar views and interests, it can be highly detrimental to managers when they only seek advice from “yes people.” Part of the critical thinking that’s so important in management is to explore ideas contrary to one’s own and to evaluate them appropriately.

Normalcy Bias Normalcy bias — the belief that because an event has seldom, if ever, occurred, it will never occur — can be intimidating, especially in business environments or project management. A person operating under a normalcy bias may ignore dangerous warning signs for significant events. A good example is the credit implosion of 2008. Although numerous individuals sounded the alarm, they were unfortunately dismissed and accused of paranoia. When they turned out to be correct, the global economy was near catastrophe.

Emotional Clouding It is no secret that people are becoming increasingly sensitive to views that run contrary to their own. This sensitivity tends to elicit an emotional response. When confronted by areas of disagreement, logic flies out the window, replaced with reactions that defy reason. Emotion-based decision-making in management has led business units and entire organizations down destructive paths. I knew a small business owner who had an emotional response when the management qualifications of a business partner were challenged. In reality, the partner had no management experience or training, and the owner of the other company was correct in questioning the supposed expertise. This inappropriate response ultimately caused the small business owner to lose out on a valuable merger.

Sophistry and Rhetoric This critical thinking obstacle treats conversations and discourse as competitive sports; the goal is to win, not to learn or seek truth, although some will claim otherwise. Illustrations can be found in the legal field. Prosecuting attorneys are interested in securing convictions or putting together advantageous plea bargains, while defense attorneys have the job of creating reasonable doubt. While there are certain ethical guidelines overall, both sides are more interested in winning than in reaching the truth. While this concept has its function in a courtroom, it does not belong in a classroom or in management. A board room decision made because one member “won” an argument will not benefit the company if that argument turns out to be wrong or unpacked by data (a discussion on data-driven management is a topic of its own).

Click here to go to Part 2 of “Eight Barriers to Critical Thinking Part II.”

Click here to learn more about Goodwin’s Management and Leadership offerings.

Dr. Mike Saxton has been an adjunct faculty member at Goodwin for three years. He is passionate about working with adult learners and strives to develop a learning environment that fosters holistic growth for the student, not just academically. He uses his diverse professional, personal, and academic experience to offer guidance above and beyond just passing the test. Dr. Saxton encourages students to pass the test of life through both successes and learning from failures. As an instructor and mentor, he utilizes his diverse background that includes higher education, wireless technology services, information technology, and self-defense instruction. He has served in Student Affairs as an administrator, instructional faculty member, property management, business owner, database developer, network manager, and self-defense instructor. Dr. Saxton graduated Eastern Connecticut State University in 2001 and 2004 with a bachelor’s degree in Computer Science and a master’s degree in Organizational Management, respectively. He holds CompTIA A+, CompTIA Network+, CompTIA Project+, CompTIA Cloud Essentials+, CompTIA CIOS, Six Sigma Data Analytics, and Blockchain Council Blockchain Expert certifications.

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First, let’s briefly examine some barriers to critical thinking.

Take another look at the visual summary below on critical and analytical thinking, which was introduced at the end of Session 3. Note the warning sign next to the ‘black pit’ to the lower right of this figure.

This figure shows a visual summary of critical and analytical thinking. It includes phrases such as ‘objective analysis and evaluation of an issue in order to form a judgement’, ‘abilities’, ‘dispositions’ and ‘questioning’.

We have provided you with a larger version of this image in PDF format [ Tip: hold Ctrl and click a link to open it in a new tab. ( Hide tip ) ] .

What are the common pitfalls or barriers to thinking critically and analytically? Some of these were highlighted in the visual summary, and include:

Why do you think being aware of these potential pitfalls is important?

As a critical and reflective thinker, you will need to be aware of the barriers, acknowledge the challenges they may present, and overcome these as best you can. This starts with an understanding of expectations. Some students feel anxious about questioning the work of experts. Critical thinking does not mean that you are challenging someone’s work or telling them that they are wrong, but encourages a deeper understanding, a consideration of alternative views, and engagement in thought, discourse or research that informs your independent judgement. At postgraduate level you will also need to read widely around a subject in order to engage effectively with critical and analytical thinking, and to ask questions: there are no ‘right’ or ‘wrong’ answers, only supported arguments. This is at the heart of postgraduate study.

Critical thinking encourages you to be constructive, by considering the strengths and weaknesses of a claim and differing sides to an argument. It helps you to clarify points, encourages deeper thought, and allows you to determine whether information that you come across is accurate and reliable. This helps you to form your own judgement, and drives research forward.

People can find it difficult to think critically, irrespective of their education or intellectual ability. The key to understanding critical thinking is not only knowing and making sure that you understand the process, but also being able to put this into practice by applying your knowledge.

Critical and reflective thinking are complex and lifelong skills that you continue to develop as part of your personal and professional growth. In your everyday life, you may also come across those who do not exercise critical thinking, and this might impact on decisions that affect you. It is important to recognise this, and to use critical and reflective thinking to ensure that your own view is informed by reasoned judgement, supported by evidence.

Take another look at the visual summary. You will see two aspects to critical thinking: one focusing on the disposition of the person engaged in critical and reflective thinking, and the other concerning their abilities. Let’s focus here on dispositions. At a personal level, barriers to critical thinking can arise through:

Be aware that thinking critically is not simply adhering to a formula. For example, reflect on the following questions:

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5 Barriers to Critical Thinking
At the opposite end of the spectrum, closed-mindedness is a significant barrier to CT. By this stage, you have probably identified the inherent nature of bias in our thinking. The first step of...
12 Common Barriers To Critical Thinking (And How To Overcome Them)
These are some of the top obstacles that hinder and distort the ability to think critically: 1. Using Emotions Instead of Logic Failing to remove one's emotions from a critical thinking analysis is one of the hugest barriers to the process.
7 Critical Thinking Barriers and How to Overcome Them
7 Critical Thinking Barriers to Watch Out For Egocentric Thinking Groupthink Drone Mentality Social Conditioning Biased Experiences Schedule Pressures Arrogance and Intolerance 1. Egocentric Thinking Although egocentric behaviors are less prominent in adulthood, overcoming egocentrism can be a lifelong process.
11 Common Barriers To Critical Thinking
Barriers To Critical Thinking - Emotions Are Heavier Than The Logic: People are becoming more sensitive to the opposite views as time passes. So when people have to face the challenge of disagreement, logic flies out of the window. And then irrelevant reactions take the place of logic that defies reason and disturbs management.
How to Identify and Remove Barriers to Critical Thinking
Egoism, or viewing everything in relation to yourself, is a natural human tendency and a common barrier to critical thinking. It often leads to an inability to question one's own beliefs, sympathize with others, or consider different perspectives. Egocentricity is an inherent character flaw.
7 barriers to critical thinking and how to overcome?
What are the barriers to critical thinking and how to overcome? 1. Egocentric behavior 2. Group thinking 3. Drone mentality 4. Social condition 5. Personal Biases 6. Work pressure 7. Fear How can I apply critical thinking to my life? Conclusion Refferences What is critical thinking?
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Here are five barriers that can impede the critical thinking process: 1. Thinking in Black or White - Some people ignore a situation's complexities by thinking that there's only one way...
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(PDF) Barriers to Critical Thinking Home Logic Philosophy Critical Thinking Barriers to Critical Thinking Authors: Name : Alcos Kelvin Peter Mzumbe University (MU) Kelvin Alcos Far Eastern...
10 Common Barriers To Critical Thinking
10 Barriers to Critical Thinking #1 Egocentric nature and thinking patterns: Egocentric nature or behavior is a natural tendency and is many a time difficult to overcome. Such a barrier is making the person think about himself and leads to the inability to not to sympathize with others to understand their issues and problems.
9 Deadly Critical Thinking Barriers (And How to Eliminate Them)
Of all the most common barriers to critical thinking, not being well rested destroys our decision-making abilities. Sleep and memory go together, and we need to remember to think critically in the first place. Please be sure to privilege your rest. Seven: Lack Of Communication Skills Thinking is more than a two-way street.
5 Barriers to Critical Thinking
Critical thinking motivational scale: A contribution to the study of relationship between critical thinking and motivation. Journal of Research in Educational Psychology, 9, 2, 823-848. SHARE
5 Barriers to Critical Thinking
Here are five barriers that can impede the critical thinking process: 1. Thinking in Black or White - Some people ignore a situation's complexities by thinking that there's only one way to...
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Critical thinking is an essential tool in problem-solving, learning new information, and accepting what to believe about a situation, but it can come with barriers. Learn more about the common...
Hum115 week 1
Critical Thinking: Identifying Barriers Worksheet. Review the definition of critical thinking, the barriers to critical thinking, and the 3 stages of cognitive development in college students in Ch. 1 of THiNK: Critical Thinking and Logic Skills for Everyday Life before you respond. Write a 75- to 125-word response to each of the following prompts.
Critical Thinking
Critical thinking is a widely accepted educational goal. Its definition is contested, but the competing definitions can be understood as differing conceptions of the same basic concept: careful thinking directed to a goal. Conceptions differ with respect to the scope of such thinking, the type of goal, the criteria and norms for thinking ...
(PDF) Barriers to Critical Thinking
Speciﬁcally, the book provides a modern, detailed, accessible and integrative model of critical thinking that accounts for critical thinking sub-skills and real-world applications; and is ...
10 Barriers to Critical Thinking & Tips to Overcome Them
Here are 10 common barriers to critical thinking that may reveal themselves as you seek to teach this vital skill. 1. Lack of Practice Considering what causes a lack of critical thinking, the word "practice" comes to mind. The phrase "practice makes progress" rings true when developing critical thinking skills.
5 Barriers to Critical Thinking
Here are five barriers that can impede the critical thinking process: 1. Thinking in Black or White. Some people ignore a situation's complexities by thinking that there's only one way to solve a problem. The problem is placed in a category, given a label and that's the only way that matters. Thinking in black and white comes from our ...
Сritical Thinking Skills
Critical thinking is the act of analyzing facts to understand a problem or topic thoroughly. The critical thinking process typically includes steps such as collecting information and data, asking thoughtful questions and analyzing possible solutions. For example, if you're working in human resources and need to resolve a conflict between two ...
What Are Four Barriers to Critical Thinking?
Another barrier to critical thinking is laziness. Critical thinking takes effort, patience and a willingness to explore, analyze and consider different points of view. The original model of critical thinking is the Socratic method. The Socratic method is a primary teaching tool in most law schools.
Barriers to Critical Thinking: Facts, Prevention, and Examples
Barriers to critical thinking can be as simple as using emotions rather than logic to make a decision to the complex individual biases that subconsciously dictate decisions. Below are some of...
8 Barriers to Critical Thinking
Eight Barriers to Critical Thinking. Part 1 of 2. by Mike Saxton, PhD. At the beginning of every term, I share a message with all my students about being critical thinkers, warning them about fallacious thinking: allowing cognitive biases and logical fallacies to replace reason. I highlight the barriers to critical thinking that come up most ...
1 Barriers to critical thinking
At a personal level, barriers to critical thinking can arise through: an over-reliance on feelings or emotions self-centred or societal/cultural-centred thinking (conformism, dogma and peer-pressure) unconscious bias, or selective perception an inability to be receptive to an idea or point of view that differs from your own (close-mindedness)