Lepper et al.'s study with preschool children with the drawing activity and good player awards found that the extrinsic reward decreased intrinsic interest only when children received:

Question

Quizplus · Accepted Answer

Lepper et al.'s study found that intrinsic interest in an activity decreased when children were given an expected extrinsic reward for engaging in that activity, such as being told they would receive a reward for drawing. This phenomenon is related to the overjustification effect, where external incentives can diminish internal motivation.

Lepper Et Al