Applying the concept of harmful dysfunction to the case of Kevin Warner, we can emphasize Kevin's failures of several mental mechanisms, including

What is the psychological term for what we often call "reverse psychology"?

a) reactance b) persuasion c) reaction formation d) unconscious motivation

If you have made a mistake in your interpretation of your experiment and accept the null hypothesis when it is actually false, you have

a. Made a type I error b. Made a type II error c. Made a type III error d. Applied alpha incorrectly