One of Pavlov's dogs had stopped salivating at the sound of the tone. The next day the tone was presented again and the dog began salivating. Pavlov referred to this as
A) shaping.
B) spontaneous extinction.
C) stimulus generalization.
D) spontaneous recovery.
E) higher-order conditioning.

Question

Quizplus · Accepted Answer

The phenomenon described matches the definition of spontaneous recovery, which occurs when a previously extinct conditioned response reappears after a rest period and without further training.

One of Pavlov's Dogs Had Stopped Salivating at the Sound