Intrinsic and extrinsic motivation from a self-determination theory perspective: Definitions, theory, practices, and future directions

The "What" and "Why" of Goal Pursuits: Human Needs and the Self-Determination of Behavior

Edward L. Deci, Richard M. Ryan · Psychological Inquiry · 2000 · 32.1K citations

Social Sciences, Behavioral Sciences, Psychology +10

Intrinsic and Extrinsic Motivations: Classic Definitions and New Directions

Richard M. Ryan, Edward L. Deci · Contemporary Educational Psychology · 2000 · 18.2K citations

Social Sciences, Psychology, Social Psychology +16

Intrinsic Motivation and Self-Determination in Human Behavior

Karen A. Miller, Edward L. Deci, Richard M. Ryan · Contemporary Sociology A Journal of Reviews · 1988 · 15.4K citations

Social Sciences, Behavioral Sciences, Psychology +13

Social psychology: handbook of basic principles

Choice Reviews Online · 1997 · 4.9K citations

Social Sciences, Psychology, Social Psychology +9

Control and information in the intrapersonal sphere: An extension of cognitive evaluation theory.

Richard M. Ryan · Journal of Personality and Social Psychology · 1982 · 2.6K citations

Social Sciences, Psychology, Social Psychology +13