Alexis Wants Her Son Bobby to Grow Up to Be

Multiple Choice

Alexis wants her son Bobby to grow up to be a prosocial adult.Research on the overjustification effect suggests that Alexis should

A) tell Bobby that he will be grounded if he does not help others.
B) praise Bobby for being a "helpful person" when he is especially helpful to others.
C) tell Bobby that Santa Claus will not give him any gifts if he does not share with his little sister.
D) pay Bobby for reading books to his little sister.
E) reward Bobby with small gifts when he is especially helpful to others.