If a Classically Conditioned Response Undergoes Extinction in an Environment

Multiple Choice

If a classically conditioned response undergoes extinction in an environment which is different from the one in which the response was acquired,the extinguished response will often reappear if the individual is returned to the original environment where acquisition took place.This phenomenon is called

A) second-order conditioning.
B) the renewal effect.
C) stimulus generalization.
D) vicarious conditioning.