Carly Used to Be Afraid of Visits to Her Family

Multiple Choice

Carly used to be afraid of visits to her family doctor because she associated the sight of his waiting room with the pain of having a blood sample drawn. However, Carly's new doctor's lab worker is "painless," and the sight of the waiting room is no longer associated with pain. Consequently, Carly finds her fear of visits to her family doctor has disappeared. This illustrates the classical conditioning process known as

A) spontaneous recovery.
B) extinction.
C) second-order conditioning.
D) avoidance.