Herbert,the Rat,is Put in a Cage That Is Chilly

Multiple Choice

Herbert,the rat,is put in a cage that is chilly.He operates in the environment by moving around the cage and bar-pressing.He discovers that moving around and bar-pressing have no impact on the temperature of the cage or anything else.Soon,Herbert stops moving around the cage at all,and when the temperature could be controlled through bar-pressing,he doesn't figure it out.Herbert is experiencing ____.

A) learned helplessness
B) stimulus discrimination
C) punishment
D) negative reinforcement