In classical conditioning, the unconditioned stimulus is:
A) the stimulus that triggers a response after being paired with a conditioned stimulus.
B) the stimulus that triggers a conditioned response.
C) the stimulus that triggers a response after being paired with another stimulus.
D) the stimulus that triggers a response without learning having taken place.

Question

Quizplus · Accepted Answer

The unconditioned stimulus is the stimulus that triggers a response without any learning having occurred, so the correct answer is D.

In Classical Conditioning, the Unconditioned Stimulus Is