In his original experiments, Pavlov paired a bell tone with the presentation of food. After a while, the bell tone alone could provoke salivation. When the bell provoked salivation, the ____.
A) bell had become a conditioned stimulus
B) food had become a conditioned stimulus
C) animal had lost interest in the food
D) salivation had become an unconditioned response

Question

Quizplus · Accepted Answer

The bell had become a conditioned stimulus because it was initially a neutral stimulus that, after being paired with the unconditioned stimulus (food), began to elicit the conditioned response (salivation) on its own.

In His Original Experiments, Pavlov Paired a Bell Tone with the Presentation