Critical thinking is not “content neutral.” A number of well-known cognitive and
emotional biases influence the ability to evaluate claims (Kahneman, Slovic, & Tversky,
1982). As a result, students’ practice of critical thinking is not simply a function of how
well they have learned general critical thinking skills. We find that students who can
demonstrate solid critical thinking skills predictably fail to use those thinking skills in
evaluating certain kinds of beliefs. Some beliefs are “immovable objects”: beliefs that we
think are the direct result of our personal experiences. Others seem subject to “irresistible
forces”: biases about our moral values and moral reasoning. In this chapter we will discuss
how these beliefs affect the teaching of psychology and give suggestions for coping with
issues raised by these beliefs in the classroom.
Immovable Objects
The Persuasive Power of Personal Experience
Consider the following two classroom situations, both familiar to many teachers of
psychology:
● A student in the developmental psychology class objects to the textbook’s discussion
of the effects of corporal punishment in childrearing, using a personal anecdote as
support for her argument.
● In an introductory psychology discussion about sleep and dreams, a student asks the
instructor how psychologists would explain her precognitive dreams.
Chapter 18
Teaching Critical Thinking About
Difficult Topics
Paul C. Smith and Kris Vasquez
Teaching Critical Thinking in Psychology: A Handbook of Best Practices Edited by D. S. Dunn, J. S. Halonen, and R. A. Smith
© 2008 Blackwell Publishing Ltd. ISBN: 978-1-405-17402-2