An infant's sibling always jumps off his bed with a loud bang after he wakes up from his nap. He then comes downstairs and greets the infant with a tickle, making the infant laugh and cough reflexively. Eventually, the infant begins to laugh and cough reflexively when he hears the bang, even before he sees his brother. In this scenario, the loud bang is a(n)
A)conditioned stimulus.
B)unconditioned stimulus.
C)conditioned response.
D)unconditioned response.

Question

Quizplus · Accepted Answer

The loud bang is a conditioned stimulus because the infant has learned to associate it with the subsequent tickling, which causes the laughter and coughing reflex.

An Infant's Sibling Always Jumps Off His Bed with a Loud