In an experiment on classical conditioning, a tone is followed by a puff of air to the eyes. After several repetitions, subjects blink their eyes when they hear the tone. What is the unconditioned stimulus in this experiment?

Question

Quizplus · Accepted Answer

The unconditioned stimulus (UCS) in classical conditioning is the stimulus that naturally and automatically triggers a response without any learning taking place. In this experiment, the puff of air to the eyes is the UCS because it naturally elicits the response of blinking the eyes without any prior conditioning.

In an Experiment on Classical Conditioning, a Tone Is Followed