Karen Is "Potty Training" Andrew

Multiple Choice

Karen is "potty training" Andrew.First she gives him a cookie when he spends time near the potty,then he gets a cookie if he sits on the potty,and finally he gets a cookie for making "poo-poo" in the potty.Karen is using a procedure called:

A) negative reinforcement
B) generalization
C) shaping
D) intermittent reinforcement