Pavlov placed food in the mouths of dogs, and they began to salivate. The food acted as a(n)
________.
A) unconditioned response
B) unconditioned stimulus
C) conditioned response
D) conditioned stimulus

Question

Quizplus · Accepted Answer

In Pavlov's experiment, the food was the unconditioned stimulus (UCS) because it naturally and automatically triggers a response (salivation) without any prior learning. The dog's salivation in response to the food is the unconditioned response (UCR).

Pavlov Placed Food in the Mouths of Dogs, and They