What Theorist Developed A Model Of 8 Stages Of Development Over The Lifespan?
What Theorist Developed A Model Of 8 Stages Of Development Over The Lifespan? Erikson developed his eight stages of psychosocial development based on Freud’s psychosexual theory. Who established the 8 stages of life development? Erik Erikson’s Stages of Psychosocial Development. Erikson maintained that personality develops in a predetermined order through eight stages of psychosocial development,