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Educational Psychology

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Dissonance theory

Paradigm of overjustification:

Lepper, Greene, & Nisbett (1973)--in the reader. In this situation, children who already like to draw
receive an additional reason why they do it ("overjustification"), namely, an award. Under this new
self-interpretation, they don't draw anymore because they like it but because they want their award; as a
result, their drawing is less fun (and less good).

Forbidden Toy Study
The "Overjustification" Paradigm

A test of the "overjustification" hypothesis

The "Overjustification " Hypothesis:
A personís intrinsic interest in an activity may be decreased by inducing them to engage in the activity as an explicit means to some extrinsic goal.

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