AP Psychologyeasymcq1 pt

In classical conditioning, the unconditioned stimulus:

A.Gradually decreases in effectiveness over time
B.Must be paired with a conditioned stimulus to work
C.Is a learned response to a previously neutral stimulus
D.Automatically triggers a response without prior learning

Explanation

Core Concept

The unconditioned stimulus (UCS) naturally and automatically triggers an unconditioned response without any prior learning or conditioning.

Correct Answer

DAutomatically triggers a response without prior learning

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