According to the University of Rochester Medical Center , these three needs are considered the "essential nutrients" for human growth and wellness. Sample Chapter: Self-Determination Theory - Guilford Press

Self-Determination Theory (SDT), developed by psychologists and Richard M. Ryan , is a macro-theory of human motivation and personality. Formally introduced in the mid-1980s, the theory posits that humans have an innate tendency toward psychological growth, integrity, and well-being. At the core of SDT is the belief that for individuals to thrive, three universal and innate psychological needs must be satisfied: Autonomy , Competence , and Relatedness . I. The Three Basic Psychological Needs

Report: Self-Determination Theory (SDT) & Basic Psychological Needs