Psychologist Edward L. Deci died on Feb. 14, 2026. He was 83. His loss is humanity’s loss. His life was humanity’s great gain. If you ever felt your motivation drain away under a micromanaging boss, ...
Developed in the late 1970s and early 1980s by renowned psychologists Edward L. Deci and Richard M. Ryan, self-determination theory explores the pivotal role of motivation in shaping human behavior, ...
His work with his colleague Richard Ryan changed how psychologists understand human motivation and what people require to flourish. By Clay Risen Edward L. Deci, a psychologist at the University of ...