SDT 2023

Join us in Orlando, FL May 31 - June 3, 2023 for the 8th International Self-Determination Theory Conference. Call for Submissions EXTENDED until JANUARY 8th. Early-Bird Registration until JANUARY 6th.

Self-Determination Theory

The leading theory in human motivation. Based on motivational science from top experts around the world.

Applying the Science

Our Science Editors curate suggested readings, videos, posts, and podcasts, bridging the gap between theory and practice.

Explore What’s New

Self-Determination Theory
January 27, 2023, 2:30 PM

Important #FridayFeature: Teaching interventions that enhance need supports for students increases

View on Facebook
Self-Determination Theory
January 25, 2023, 5:53 PM

Report on TEACHERS' MOTIVATING PRACTICES. Influenced by #SelfDeterminationTheory research and led

View on Facebook

Our Resources


Learn more about SDT. Explore our in-depth library of research studies published by the most prominent motivational researchers.

Read more


Measuring motivation, engagement, and wellbeing is what we do. Check out our questionnaires for assessing the theory’s constructs across many settings.

Learn More


Hear what the leading motivational experts and scholars have to say. Bridging the gap between the science and people’s daily lives.

View More