Why Do Cognitive Psychologists Focus on the Mistakes That People

Multiple Choice

Why do cognitive psychologists focus on the mistakes that people tend to make in decision making

A)  Understanding errors allows us to understand the normal process of decision making. 
B)  It allows for a greater understanding of mental disorders. 
C)  Errors are rare, so they establish the boundaries between what is possible and what is not. 
D)  It provides evidence that we have not evolved to solve problems efficiently.