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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. Ryan, a clinical psychologist, is a Professor at the Institute for Positive Psychology and Education at the Australian Catholic University in Sydney, Australia. And Deci is currently a professor at the University of Rochester in the Department of Clinical and Social Sciences in Psychology in Rochester, NY.

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

Did You Know? »

#2019SDTConference

#2019SDTConference

Mark your calendars: May 21-24 2019 #2019SDTConference. This only happens every 3 years. And this time we’ll be meeting near Amsterdam on the North Sea coast...

 
Video Interview with Johnmarshall Reeve on Student Motivation

Video Interview with Johnmarshall Reeve on Student Motivation

Check out Dr. Johnmarshall Reeve, #SDTFaculty, 5-minute video interview on #StudentEngagement and #motivation… https://youtu.be/7DA95RAM_PM  via @YouTube

 
The Intrinsic Motivation of Richard Ryan and Edward Deci

The Intrinsic Motivation of Richard Ryan and Edward Deci

#SelfDeterminationTheory…how it all began.  APA Interview with Richard Ryan and Edward Deci The Intrinsic Motivation of Richard Ryan and Edward Deci The...

 
SDT Workshop on Education by Dr. Christopher Niemiec

SDT Workshop on Education by Dr. Christopher Niemiec

Questions about #Education #ClassroomMotivation #SelfDeterminationTheory? Get answers from Christopher Niemiec’s recent workshop at Proyecto 50, Universidad...

 
New SDT Book by Ryan & Deci.  Get your Special Discount Now!

New SDT Book by Ryan & Deci. Get your Special Discount Now!

The 2nd Printing of the Self-Determination Theory Book just released with embossed cover This long-awaited book by Richard M. Ryan and Edward L. Deci is now...