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Deci and Ryan integrate several strands of self-determination theory to explain the content and regulation of goal pursuit. They define autonomy, competence, and relatedness as basic psychological needs whose satisfaction supports growth, integrity, motivation, and wellbeing across contexts.
Behaviour may be intrinsically motivated or extrinsically regulated at differing levels of internalisation, from external pressure to personally endorsed and integrated action. Thus two people performing the same activity can experience very different motivation and outcomes. The content of aspirations also matters because goals centred on growth, relationships, and community are generally more conducive to need satisfaction than wealth, fame, or image. Social environments influence whether people engage willingly, internalise values, and persist.
Educational practice should combine structure with autonomy support: acknowledge perspectives, offer meaningful options, explain necessary limits, provide optimally challenging work and informational feedback, and cultivate belonging. The theory does not equate autonomy with independence; people can willingly rely on and collaborate with others.
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