Chris and Dakota are on a first date. As they drive, Chris notices the smell of Dakota's
shampoo. Throughout the evening, whenever Dakota is close to Chris, Chris not only smells
the shampoo but their heart quickens and the palms of their hands become damp. The
following week, while walking down the hall at school, Chris smelled Dakota's shampoo. Aš a
result, Chris's heart skipped a beat and they started to sweat. In this example, Dakota's
shampoo is a(n)
Oconditioned response
conditioned stimulus
unconditioned response
unconditioned stimulus