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A meta-analytic review of experiments examining the effects of extrinsic rewards on intrinsic motivation
Deci et al. 1999 · review pooling many studies (meta-analysis) · touches 1 claim
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Which beliefs it touches
- C22 Tangible rewards and interest backs it up
128-experiment meta: expected tangible rewards undermine later free-choice motivation (d ≈ −0.28 to −0.40); basis for C22.