Mary Decides to Try to Modify Pearl's Behavior (See Above

Multiple Choice

Mary decides to try to modify Pearl's behavior (see above item) . She and the rest of the family refuse to respond to any comment or request by Pearl that they know she is capable of expressing in English. For example, if during dinner she says, "Pass the potatoes" in English, she gets potatoes; if she says it in her native language she gets ignored. The procedure being used to change Pearl's behavior is ______.

A) positive reinforcement
B) negative reinforcement
C) adventitious reinforcement
D) punishment