Introductory Psychology CLEP Prep Practice Exam

In classical conditioning, what type of stimulus elicits an unlearned response?

1. Conditioned

2. Unconditioned

3. Calibrated

4. Neutral

The correct answer is: Unconditioned

In classical conditioning, an unconditioned response is triggered by an unconditioned stimulus. An unconditioned response is an innate or reflexive response that is not learned. The unconditioned response is a naturally occurring behavior in response to a specific stimulus. In this case, the unconditioned stimulus is the one that elicits the unlearned response. Option A and D are incorrect because conditional and neutral stimuli are introduced during the conditioning process, not the ones that elicit an unconditioned response. Option C is also incorrect because a calibrated stimulus refers to a stimulus that has been specifically measured or adjusted, not one that elicits an unlearned response. Therefore, the correct answer is B Unconditioned.