Self-Determination Theory

Also known as: SDT

framework · psychology · structured-empirical

Deci and Ryan's framework of autonomy, competence, and relatedness as basic psychological needs.

Self-Determination Theory, developed by Edward Deci and Richard Ryan beginning in the 1970s and presented in foundational form in their 1985 book Intrinsic Motivation and Self-Determination in Human Behavior, is a macro-theory of human motivation grounded in the proposition that all humans have three basic, universal psychological needs: Autonomy (volitional self-organization of behavior), Competence (effectance, mastery), and Relatedness (belonging and connection). Satisfaction of these needs is necessary for intrinsic motivation, well-being, and full functioning; thwarting them produces controlled motivation, ill-being, or disengagement. SDT comprises six mini-theories (Cognitive Evaluation, Organismic Integration, Causality Orientations, Basic Psychological Needs, Goal Contents, Relationships Motivation), addressing different aspects of motivation. The theory's most operationally famous prediction — that tangible extrinsic rewards can undermine intrinsic motivation under specific conditions — has been replicated across hundreds of studies and is among the most empirically supported findings in motivation research.

Originators

Edward L. Deci; Richard M. Ryan high

Year / Decade

1970s development; 1985 (foundational book) high

Primary sources

Deci, E.L. & Ryan, R.M. (1985). Intrinsic Motivation and Self-Determination in Human Behavior, Ryan, R.M. & Deci, E.L. (2017). Self-Determination Theory: Basic Psychological Needs in Motivation, Development, and Wellness high

Core components

Three basic psychological needs: Autonomy, Competence, Relatedness
Six mini-theories (Cognitive Evaluation, Organismic Integration, Causality Orientations, Basic Psychological Needs, Goal Contents, Relationships Motivation)
Continuum from amotivation through external regulation to intrinsic motivation
Internalization process
Autonomy-supportive vs controlling environments
Crowding-out of intrinsic motivation by extrinsic rewards (under specific conditions)

Primary use case

Education and pedagogical design (autonomy-supportive teaching); workplace motivation and management practice; healthcare and behavior-change interventions; sport psychology; foundation for thinking about purpose, meaning, and engagement; influence on self-help and coaching practice via Daniel Pink's popularization in Drive (2009).

Common criticisms

Universality claim for the three needs across cultures contested by some cross-cultural researchers
need-thwarting/need-satisfaction measurement varies across studies
the boundary between SDT's autonomy and Western individualism debated
Deci and Ryan's specific empirical predictions about extrinsic rewards have generated long-running debate (Eisenberger and Cameron meta-analyses) about scope conditions
six mini-theories create cumulative complexity
limited integration with neurobiological evidence on motivation
some applications (gamification design) cite SDT to legitimize practices SDT actually critiques.

Lineage

Siblings: Self-Efficacy Theory, Social Learning Theory