Crain introduces the concepts of a number of outstanding theorists, giving special attention to the practical applications of their thought. Preface, Introduction, Early Theories: Preformationism and Locke and Rousseau, Gesell's Maturational Theory, Ethological Theories: Darwin and Lorenz and Tinbergen and Bowlby and Ainsworth, Montessori's Educational Philosophy, Werner's Organism and Comparative Theory, Piaget's Cognitive-Developmental Theory, Kohlberg's Stages of Moral Development, Learning Theory: Pavlov and Watson and Skinner, Bandura's Social Learning Theory, Vygotsky's Social-Historical Theory of Cognitive Development, Freud's Psychoanalytic Theory, Erikson and the Eight Stages of Life, Mahler's Separation and Individuation Theory, A Case Study in Psychoanalytic Treatment: Bettelheim on Autism, Schachtel on Childhood Experiences, Jung's Theory of Adulthood, Chomsky's Theory of Language Development, Conclusion: Humanistic Psychology, and Developmental Theory, Epilogue: A Developmental Perspective on the Standards Movement, References, Name and Subject Index.