Tommy Has Obsessions About Cleanliness and Is a Compulsive Hand

Multiple Choice

Tommy has obsessions about cleanliness and is a compulsive hand washer.Which of the following pieces of evidence would support the view that his obsessive-compulsive disorder is related to operant conditioning?

A) Tommy has been rewarded by his parents for hand washing many times, so he continues to engage in the behavior.
B) Tommy sees his brother engage in compulsive hand washing, so he also engages in the behavior.
C) Tommy experiences a large reduction in anxiety whenever he washes his hands, so he continues the behavior whenever he becomes anxious.
D) Tommy believes that hand washing will prevent him from becoming sick.