Matthew Once Had a Teacher Who Punished Him Severely Whenever

Multiple Choice

Matthew once had a teacher who punished him severely whenever he did poorly on a classroom test. Now he refuses to take tests, saying he is too frightened to do so. He has learned to associate tests with the pain of punishment. From the perspective of classical conditioning, the painful punishment is:

A) An unconditioned stimulus
B) An unconditioned response
C) A conditioned stimulus
D) A conditioned response