After having first conditioned an animal to salivate to a tone, Pavlov found that without pairing with the food, salivation to the tone became weaker and weaker and then finally disappeared. This process is known as __________
A) spontaneous recovery.
B) shaping.
C) chaining.
D) extinction.

Question

Quizplus · Accepted Answer

Extinction is the process by which a learned response gradually fades in the absence of the original conditioned stimulus. In Pavlov's experiment, the conditioned response of salivation to the tone gradually weakened and eventually disappeared when the tone was repeatedly presented without being followed by food.

After Having First Conditioned an Animal to Salivate to a Tone