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Psychologists Educating Students
to Think Skeptically


Definition of Critical Thinking

A rational and self-regulated process of evaluating the validity or value of a claim or belief. This process involves three activities:

  1. gathering appropriate information,evaluating alternative answers with respect to this information,
  2. provisionally choosing the answer best supported by the information.

Characteristics of Critical Thinkers

A. Critical thinkers conceptualize the broad outline of a question to be addressed.

1. They seek and compare various points of view dealing with the question.2. They recognize analogous situations and transfer insights to the question. 3. They raise and clarify fundamental issues related to the question.4. They generate, as possibilities to investigate, alternative answers to the question,

5. They recognize similarities and differences among the alternative answers.

B. Critical thinkers gather information appropriate to evaluating alternative answers.

1. They develop a workable approach to gathering information needed to answer the question.2. They identify reliable sources of information.3. They take account of possible biases in the information that they collect. 4. They distinguish relevant from irrelevant information.

5. They distinguish significant from insignificant information.

C. In using this information to evaluate alternative answers, critical thinkers identify assumptions and personal biases.

1. They search for and evaluate unstated assumptions inherent in the question and its alternative answers.2. They strive to identify their own personal biases and to control for them.

3. They consistently adopt an attitude of skepticism as they attempt to answer questions.

D. In using this information to evaluate alternative answers, critical thinkers use rational processes of thought.

1. They distinguish among fact, opinion, inference, interpretation, and judgement in the information.2. They make inferences from the information that are based on rules of logic.3. They recognize when the information contradicts a proposed answer.4. They explore the implications and possible consequences of alternative answers.

5. They can present a coherent summary of their thinking at any point during their evaluation of alternative answers.

E. Based on their evaluation of alternative answers, critical thinkers make a tentative choice from among them.

1. They can communicate their reasons for making the choice in a manner that allows others to examine the reasons.2. They realize that their choice is tentative, and they are open to reexamining the question if new information arises that contradicts their choice.

3. They continue to collect more information about the area related to the question in order to see if it leads them to question their choice.


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