ERIC Number: EJ115825
Record Type: CIJE
Publication Date: 1975
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When Two Rewards Are Worse Than One: Effects of Extrinsic Rewards on Intrinsic Motivation
Lepper, Mark R.; Greene, David
Phi Delta Kappan, 56, 8, 565-566, Apr 75
Study results indicate that overly powerful extrinsic rewards can reduce intrinsic motivation and suggest that there is a need to control unnecessarily powerful reward systems. (Author/DW)
Descriptors: Behavior Change, Elementary Education, Motivation, Positive Reinforcement, Rewards, Self Reward
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