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Self-Determination Theory (SDT) is a theory of motivation. It is concerned with supporting our natural or intrinsic tendencies to behave in effective and healthy ways. SDT has been researched and practiced by a network of researchers around the world.

The theory was initially developed by Edward L. Deci and Richard M. Ryan, and has been elaborated and refined by scholars from many countries. Deci is currently a professor at the University of Rochester in the Department of Clinical and Social Sciences in Psychology in Rochester, NY; Ryan, a clinical psychologist, was recently appointed as Professor at the Institute for Positive Psychology and Education at the Australian Catholic University in Sydney, Australia.  Together and separately, Deci and Ryan have promoted SDT through theory, research, and their ongoing training of scholars.

This website presents a brief overview of SDT and provides resources that address important issues such as human needs, values, intrinsic motivation, development, motivation across cultures, individual differences, and psychological well-being. Also addressed are the applications of Self-Determination Theory to:

  • Education
  • Healthcare
  • Relationships
  • Psychotherapy
  • Psychopathology
  • Organizations
  • Sports and Exercise
  • Goals
  • Health and Well-being
  • Environment

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See Recently Released SDT Articles Here First

See Recently Released SDT Articles Here First

Advance Online SDT Articles: Deci, E. L., Olafsen, A. H., & Ryan, R. M. (2017). Self-determination theory in work organizations: The state of the science. Annual...

 
New SDT Book by Ryan & Deci Released!!

New SDT Book by Ryan & Deci Released!!

Self-Determination Theory: Basic Psychological Needs in Motivation, Development, and Wellness   This long-awaited book by Richard M. Ryan and Edward L. Deci...

 
New Straits Time: Gaming isn’t all bad

New Straits Time: Gaming isn’t all bad

February 13, 2017 / By Aiman Maulana / Once again, Self-Determination Theory’s research gains attention in Gaming. What are the surprising scientific evidences...

 
Forbes: Who Will Lead In The Smart Machine Age?

Forbes: Who Will Lead In The Smart Machine Age?

February 7, 2017 / By Ed Hess, J.D. / Self-Determination Theory as a model for the Smart Machine Age (SMA).  Check out this article on who will lead in the business...

 
SDT Faculty to Give Talks @ Motivation Research Symposium / Feb 10, 2017 / Amsterdam

SDT Faculty to Give Talks @ Motivation Research Symposium / Feb 10, 2017 / Amsterdam

Richard Ryan and Maarten Vansteenkiste to give keynote talks at the Research on Motivation Trends and Movements Symposium Friday, 10th February 2017 Amsterdam, The...