In his original studies of digestion, Pavlov placed food on a dog's tongue to make the dog salivate. In this situation, the dog's salivating was a(n):
A) conditioned stimulus (CS).
B) unconditioned response (UCR).
C) conditioned response (CR).
D) operant response (OR).

Question

Quizplus · Accepted Answer

The dog's salivating in response to the food being placed on its tongue is an unconditioned response (UCR) because it is an automatic, reflexive response to the food. It has not been learned or conditioned in any way.

In His Original Studies of Digestion, Pavlov Placed Food on a Dog's