In Pavlov's famous experiment, the dog salivated in response to the tone because the tone became mentally connected with the meat powder. The meat powder is the unconditioned stimulus (UCS).

Question

Quizplus · Accepted Answer

This is correct, as the meat powder is the stimulus that naturally and automatically triggers the dog's salivation response, and thus it is the unconditioned stimulus in Pavlov's classical conditioning experiment.

In Pavlov's Famous Experiment, the Dog Salivated in Response to the Tone