In Pavlov's original research, dogs heard a tone and then had meat powder placed in their mouths, which caused them to salivate. After many pairings of the tone and the meat powder, they would salivate when the tone was presented alone. In this case, the tone is an example of
A) an unconditioned stimulus.
B) an unconditioned response.
C) a conditioned stimulus.
D) a conditioned response.

Question

Quizplus · Accepted Answer

The tone initially had no effect on the dogs' salivation response, but after it was paired with the meat powder and became associated with it, it became a conditioned stimulus that could elicit a conditioned response (salivation) even when the meat powder was not present. The meat powder is the unconditioned stimulus that naturally produced the unconditioned response of salivation in the dogs.

In Pavlov's Original Research, Dogs Heard a Tone and Then