In an experiment, a pigeon receives food whenever it pecks a green key and not when it pecks a yellow key. In this experiment, the green key acts as the _____ while the yellow key acts as the _____. A) S^D; S^∆ B) S^∆; S^D C) S^D; S^R D) S^R; S^D

Question

Quizplus · Accepted Answer

The green key is a discriminative stimulus (SD) for getting food (it signals that pecking will be reinforced), while the yellow key is a discriminative stimulus for extinction (SΔ), indicating that pecking will not be reinforced.

In an Experiment, a Pigeon Receives Food Whenever It Pecks