I train a rat to discriminate between a circle and an octagon.Every time the rat presses the octagon switch,I give it a piece of cheese.Soon the rat chooses the octagon on every trial.Then I give the rat a choice between the original octagon and a significantly larger octagon.The rat then chooses the larger octagon.This is an example of ______.
A)occasion-setting stimuli
B)peak shift
C)conditioned excitation
D)an interoceptive stimulus

Question

Quizplus · Accepted Answer

The rat's choice of the larger octagon over the original one is an example of peak shift, where the animal shows a preference for a stimulus that is more exaggerated than the original conditioned stimulus.

I Train a Rat to Discriminate Between a Circle and an Octagon.Every