The total development of the child is described in this set of training materials, one of a series developed to train Child Development Associates. The multiple factors and principles which affect physical, intellectual, social, and emotional development are presented. Successful completion of this curriculum will enable the trainee to perform in several ways, including the following: (1) observe children in a variety of situations and record and analyze their progress in growth and development; (2) recognize specific instances of the basic patterns and principles of development; (3) describe the major effect of heredity and environment on child development; (4) recognize and explain specific instances of hereditary factors; (5) describe the major stages of pregnancy and childbirth; (6) recognize environmental effects on children's growth and development; (7) analyze behavior problems, propose possible solutions, and suggest preventive measures; (8) list the effects of various factors on prenatal development and; (9) demonstrate how to meet childhood needs in such areas as nutrition, health, safety, neglect, and education. Suggestions for establishing an activity card file to organize young children's activities are presented as a major teacher resource, and development of the trainee's teaching portfolio is described at length. (Author/DB)