A pigeon is consistently reinforced with food for pecking a key after seeing an image of a human face,but not reinforced for pecking after seeing other images.By signaling that a pecking response will be reinforced,the image of a human face is a(n)
A) unconditioned stimulus.
B) partial reinforcement.
C) discriminative stimulus.
D) primary reinforcer.

Question

Quizplus · Accepted Answer

The image of a human face is a discriminative stimulus because it signals to the pigeon that a pecking response in front of a human face will be reinforced with food, whereas pecking in front of other images will not be reinforced.

A Pigeon Is Consistently Reinforced with Food for Pecking a Key