Three-Year-Old Kayla Has Been Seeing Her Pediatrician for Checkups Every

Multiple Choice

Three-year-old Kayla has been seeing her pediatrician for checkups every six months and fears the shots she receives each time. Now, even though he does not administer the shots, Kayla cries when the pediatrician enters the room because she associates him with receiving shots. The pediatrician has become a(n) :

A) conditioned stimulus
B) conditioned response
C) unconditioned stimulus
D) unconditioned response