Evidence of a detrimental effect of extrinsic incentives on breaking a mental set

Undermining children's intrinsic interest with extrinsic reward: A test of the "overjustification" hypothesis.

1973 • 2,393 citations

Mechanization in problem solving: The effect of Einstellung.

1942 • 1,105 citations

The effects of extrinsic incentive on some qualitative aspects of task performance1

1971 • 372 citations

Enemies of exploration: Self-initiated versus other-initiated learning.

1977 • 260 citations

Token rewards may lead to token learning.

1974 • 167 citations

THE DISTRACTING EFFECTS OF MATERIAL REINFORCERS IN THE DISCRIMINATION LEARNING OF LOWER. AND MIDDLE-CLASS CHILDREN

1970 • 41 citations