Flanagan, L. (2017, August 29). How Ending Behavior Rewards Helped One School Focus on Student Motivation and Character.

Using prizes to encourage and conterol behavior may not be the best way to alter behavior. They can impacts students in a negative way and be harmful to them. In his book Drive: The Surprising Truth About What Motivates Us, Daniel Pink identifies seven drawbacks to extrinsic rewards. Schools are now considering going away from this practice.