Bart Notices That His Father, Homer, Is Usually in an Agreeable

Multiple Choice

Bart notices that his father, Homer, is usually in an agreeable mood after his mother, Marge, fixes him pork chops. However, Homer is quite grumpy after a meal of three-eyed fish. Bart has learned that it is much in his favor to ask Homer permission to do fun things on pork chop night and to avoid asking such questions when three-eyed fish is served. Bart is using the type of meal served as

A) a discriminative conditioned stimulus.
B) a secondary reinforcer.
C) vicarious experience.
D) negative reinforcement.