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Self-determination theory, SDT) är en psykologisk makroteori inom motivationspsykologin som berör människors utvecklingsstadier ... Ryan, R (1995). "Psychological needs and the facilitation of integrative processes". Journal of Personality 63 (3): sid. 397- ... Ryan, R. M. & Deci, E. L. (2017). Self-determination theory: Basic psychological needs in motivation, development, and wellness ... Self-determination theory and the facilitation of intrinsic motivation, social development, and well-being. American ...

Leslie, P. H.; Perry, J. S.; Watson, J. S.; & Elton, C. (1946). "The Determination of the Median Body‐Weight at which Female ... "Rats Capable Of Reflecting On Mental Processes" (på engelska). Science Daily. 9 mars 2007. http://www.sciencedaily.com/releases ...