When Four-Year-Old Aileen Goes to the Store with Her Dad

Multiple Choice

When four-year-old Aileen goes to the store with her dad and whines for candy at the checkout, she gets the candy. But when she goes with her mom, whining never ends up getting her a candy. Before long, Aileen only whines when she is at the store with her dad. This is called:

A) continuous reinforcement.
B) successive approximation.
C) stimulus discrimination.
D) stimulus generalization.