Josephine Bought Her Six-Year-Old Nephew,Joseph,a New Set of Paints for His

Josephine bought her six-year-old nephew,Joseph,a new set of paints for his birthday.Hoping to encourage the little artist,Josephine promised Joseph $1 for every painting.Joseph thinks that is quite a lot of money.According to research by Lepper,Greene,and Nisbett (1973) on overjustification effects,which of the following is most likely to occur?

A) Joseph will continue to paint even if his aunt eventually stops rewarding him with money.
B) Joseph will develop a love for painting and will want to be an artist when he grows up.
C) Joseph will come to see painting pictures as a way to make money,not as something enjoyable in itself.
D) The paintings for which Joseph receives money will be judged as better quality than the paintings for which he does not receive any money.