Nix, Glen A.

Revitalization through Self-Regulation: The Effects of Autonomous and Controlled Motivation on Happiness and Vitality

Nix, G. A., Ryan, R. M., Manly, J. B., & Deci, E. L. (1999) · Journal of Experimental Social Psychology

Motivation and Self-Concept in SportsPsychological Well-being and Life Satisfaction

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Testing models of the experience of self-determination in intrinsic motivation and the conundrum of choice.

Reeve, J., Nix, G., & Hamm, D. (2003) · Journal of Educational Psychology

Motivation and Self-Concept in SportsEducation, Achievement, and Giftedness

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