Freddie used to feed her cat canned cat food. Now every time Freddie uses the can opener, her cat gets very excited and starts meowing. In this example, the US is ____.
A) cat food
B) the cat's excitement
C) the sound of the can opener
D) the cat

Question

Quizplus · Accepted Answer

The US (unconditioned stimulus) is the cat food because it naturally (without any prior learning) causes the cat's excitement (the unconditioned response). The sound of the can opener becomes a conditioned stimulus through association with the cat food.

Freddie Used to Feed Her Cat Canned Cat Food