Tricia Knows Dan, and Occasionally Talks to Him on the Phone

Multiple Choice

Tricia knows Dan, and occasionally talks to him on the phone or invites him to her house with other friends. While working on her senior thesis, she encounters a very hard statistical problem, and Adele tells her that Dan is an expert statistician. Tricia immediately invites him over for dinner. Tricia's change in behavior is most like the changes associated with

A) reinforcer devaluation.
B) incentive learning.
C) S-(R-O) learning.
D) instinctive drift.