Jack Had Shown Intrinsic Interest for Pitching a Ball

Multiple Choice

Jack had shown intrinsic interest for pitching a ball.He had been asked to pitch repeatedly and told he would receive a reward for doing so.After pitching to earn the reward, he seemed to discount his earlier, intrinsic motivation for pitching.This phenomenon is known as the:

A) expected reward effect
B) fundamental attribution effect
C) incentivizing effect
D) over-justification effect