When1: 1935
When2: 1951
Who: Kurt Lewin [Lewin, Kurt]
What: psychologist
Where: USA
works\ Dynamic Theory of Personality [1935]; Frontiers in Group Dynamics [1946]; Field Theory in Social Science [1951]
Detail: He lived 1890 to 1947. Internal and external stimuli cause individual differences {field theory}. Incentives come from outside and goals from inside. Rewards come from outside and success from inside.
Social Sciences>Psychology>History>Behavior
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Date Modified: 2022.0224