Baby Huey's favorite snack, strained prunes, is always kept in a particular cabinet. When he hears the cabinet's squeaky door open, he becomes excited. Huey has been classically conditioned; what is the CS?

Question

Quizplus · Accepted Answer

The sound of the squeaky door is the conditioned stimulus (CS) in classical conditioning. It has been paired with the unconditioned stimulus (US) of eating strained prunes, which led to the conditioned response (CR) of excitement when Huey hears the squeaky door open.

Baby Huey's Favorite Snack, Strained Prunes, Is Always Kept in a Particular