CONCEPT
Self-Determination Theory
The psychological framework developed by Edward Deci and Richard Ryan identifying autonomy, competence, and relatedness as the three basic needs whose satisfaction produces intrinsic motivation and human flourishing.
Self-determination theory (SDT) is the empirical framework developed by Edward Deci and Richard Ryan across four decades that identifies three basic psychological needs whose satisfaction enables intrinsic motivation: autonomy (the experience of choice and self-direction), competence (the sense of effective action), and relatedness (connection with others). SDT distinguishes between controlled motivation (driven by external pressure or internalized compulsion) and autonomous motivation (arising from genuine interest or deeply held values). The theory has been applied across education, workplace, healthcare, sport, and therapy, generating one of the largest bodies of replication research in contemporary psychology. Pink's three pillars are the applied translation of SDT for organizational and popular audiences — autonomy mapping directly, mastery corresponding to competence, and purpose connecting to a broader construal of relatedness through meaningful contribution.
In The You On AI Field Guide
SDT emerged from Deci's 1969 dissertation experiments showing that external rewards undermined intrinsic motivation, which his collaboration with Richard Ryan expanded into a comprehensive theory of human motivation.
The theory organizes extrinsic