When Luke kissed Laura, her heart rate increased. Luke always wore the same body spray. Whenever Laura smelled that body spray, her heart raced. The smell of the body spray was the:

Question

Quizplus · Accepted Answer

The unconditioned stimulus was the kiss from Luke, which naturally elicited an unconditioned response of an increased heart rate in Laura. However, after repeated pairing of the kiss with Luke's body spray, the scent of the body spray became a conditioned stimulus that also elicited an increased heart rate response, which is the conditioned response. Therefore, the correct answer is C, conditioned stimulus.

When Luke Kissed Laura, Her Heart Rate Increased