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

Question

Quizplus · Accepted Answer

In this scenario, the unconditioned stimulus is the kiss from Luke, which initially caused Laura's heart rate to increase. The unconditioned response is Laura's initially natural response of increased heart rate to the kiss. However, over time, the conditioned stimulus became the smell of the Axe body spray that Luke wore, as it became associated with the kiss and caused Laura's heart rate to increase on its own. Therefore, the correct answer is C, conditioned stimulus, because the smell of the body spray is what is causing Laura's heart rate to increase without any direct connection to the kiss itself.

When Luke Kissed Laura, Her Heart Rate Increased