Impacts of autonomy-supportive versus controlling instructional language on motor learning

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

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Development and validation of brief measures of positive and negative affect: The PANAS scales.

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Development and validation of brief measures of positive and negative affect: The PANAS scales.

David Watson, Auke Tellegen · Journal of Personality and Social Psychology · 1988 · 31.7K citations

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Self-determination theory: A macrotheory of human motivation, development, and health.

Edward L. Deci, Richard M. Ryan · Canadian Psychology/Psychologie canadienne · 2008 · 6.5K citations

Social Sciences, Human Development, Psychology +12

Psychometric Properties of the Intrinsic Motivation Inventory in a Competitive Sport Setting: A Confirmatory Factor Analysis

Edward McAuley, Terry E. Duncan, Vance V. Tammen · Research Quarterly for Exercise and Sport · 1989 · 2.7K citations

Social Sciences, Behavioral Sciences, Psychology +15