Mattie, an Extremely Overweight Patient at the Mental Hospital, Had

Multiple Choice

Mattie, an extremely overweight patient at the mental hospital, had a persistent and disturbing habit of stealing food from other patients. The behavior therapist assigned Mattie to a special table in the dining room. If Mattie approached any other table, she was immediately removed from the dining room. To produce extinction of Mattie's food stealing, the therapist in this example used which of the following?

A) aversive conditioning
B) nonreinforcement
C) covert desensitization
D) respondent conditioning