Which of the following best describes the overjustification effect?
Intrinsic motivation is more powerful than extrinsic motivation.
Giving extrinsic motivation can weaken a person's intrinsic motivation.
Giving intrinsic motivation can weaken a person's extrinsic motivation.
Giving extrinsic motivation can strengthen a person's intrinsic motivation.
Extrinsic motivation is more powerful than intrinsic motivation.