Bobby and Sue were parked at Lover's Lane. When Bobby kissed Sue, his breathing accelerated. Sue always wore Chanel #5 when she went out with Bobby. Whenever Bobby smelled Chanel #5, he began to breathe faster. Sue's kiss was the:
A) UCS.
B) UCR.
C) CS.
D) CR.

Question

Quizplus · Accepted Answer

Sue's kiss was the Unconditioned Stimulus (UCS) because it naturally caused Bobby's breathing to accelerate without any prior conditioning.

Bobby and Sue Were Parked at Lover's Lane