Stuart Is Afraid of Public Speaking, but Only When He

Multiple Choice

Stuart is afraid of public speaking, but only when he has to make speeches on the weekend. He is a professor and has no trouble speaking in front of large groups of students, and he has made effective presentations at conferences, as long as he presents on a weekday. The specificity of Stuart's fear mostly clearly demonstrates the process of

A) negative reinforcement
B) avoidance conditioning
C) stimulus generalization
D) discrimination