A pigeon learned to peck a lighted disc for a few bits of grain.The bird does not peck when the light is off because no grain will be forthcoming.The light is called the
A) generalized stimulus.
B) conditioned stimulus.
C) conditioned response.
D) discriminative stimulus.

Question

Quizplus · Accepted Answer

The light serves as a discriminative stimulus, signaling to the pigeon that pecking will be reinforced with grain when the light is on.

A Pigeon Learned to Peck a Lighted Disc for a Few