• Davis, Doug and Alan Clifton. Psychosocial Theory: Erikson.
• Erik Erikson Stages (in pictures).
• Harder, Arlene F. The Developmental Stages of Erik Erikson.

Jean Piaget

• Cognitive Development (Jean Piaget's Theory of Development)

Lev Vygotsky

• The Educational Theory of Lev Vygotsky: An Analysis.
• Gallagher, Christina. Lev Semyonovich Vygotsky.
• Vygotsky Centennial Project.
• Lev Vygotsky

William Perry, Mary Belenky and Women's Ways of Knowing

• William Perry's Scheme of Intellectual and Ethical Development.
• Women's Ways of Knowing Project.

Lawrence Kohlberg and Carol Gilligan

• Kohlberg's Theory of Moral Development.
• Gilligan's In a Different Voice.

Theory Cover Page

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