The classical-conditioning term for a stimulus that elicits a reflexive response in the absence of learning is _______________
A) unconditioned stimulus
B) unconditioned response
C) conditioned stimulus
D) conditioned response
Answer: A
Rationale: An unconditioned stimulus (US) is a stimulus that elicits a reflexive response without learning. The reflexive response to an US is known as an unconditioned response (UR).
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