In an experiment studying classical conditioning,a tone sounds and 5 seconds later a mild skin shock is delivered to a participant.The skin shock results in a stress response consisting of a temporary increase in heart rate.This process is repeated once every 5 minutes.After a number of trials,the participant demonstrates an elevated heart rate when the tone sounds and before the shock is actually delivered.Within the context of this example,what is the US?
A)the shock
B)the tone
C)the stress
D)the time interval

Question

Quizplus · Accepted Answer

The US, or unconditioned stimulus, is the mild skin shock that is delivered to the participant. It is unconditioned because it naturally produces a stress response without any prior learning or conditioning.

In an Experiment Studying Classical Conditioning,a Tone Sounds and 5