This comprehensive paper proposing the use of evolutionary theory as a basis for studies in developmental psychology includes these specific sections: (1) Developmental Theories--a brief overview, (2) Individual Differences, (3) Culture and Inbreeding, (4) Sexual Dimorphism, (5) Critical Periods in the Development of Attachments, (6) Continuity…

Specifies some problems in the Piagetian characterizations of assimilation and accommodation and offers an alternative formulation intended to resolve some conceptual anomalies. On the basis of the revision, the orthogenetic law of developmental progression is explicitly derived. Further, Piaget's notion of "equilibrium" is extended into…

This article deals with the author's interpretation of the Freudian concept of penis envy. Penis envy is viewed as a psychological phenomenon rather than a biological phenomenon characterized as the "bedrock of feminity." Based on his experiences as a psychoanalyst, the author states that penis envy involves the child's early…