Fred's dog was classically conditioned to salivate at the sound of a bell. Fred then repeatedly paired the bell with another stimulus, a whistle. Now whenever he blows the whistle, his dog salivates, even though the whistle has never been paired with food. This example illustrates:

Question

Quizplus · Accepted Answer

This example illustrates higher order conditioning (second-order conditioning) because the whistle has been paired with the previously conditioned stimulus (bell) resulting in the dog salivating at the sound of the whistle alone.

Fred's Dog Was Classically Conditioned to Salivate at the Sound