Ivan Pavlov — Classical Conditioning
Albert Bandura — Social Learning Theory
B. F. Skinner — Operant Conditioning
Abraham Maslow — Hierarchy of Needs
Lawrence Kohlberg — Moral Development Theory
Howard Gardner — Multiple Intelligences Theory
Jean Piaget — Cognitive Development Theory
Lev Vygotsky — Sociocultural Theory
Maria Montessori — Montessori Method
Sigmund Freud — Psychosexual Development Theory
Erik Erikson — Psychosocial Development Theory