This module is part of a training program for foster parents and foster care workers offered at Colorado State University. The module's learning objectives address: (1) factors that interact to affect child development; (2) developmental milestones for infants and young children; (3) parenting processes appropriate to the childhood years; (4) problem areas in the development of foster children; and (5) children's play and safety. The module consist of four lectures. Each lecture includes reading material, and the first two lectures include exercises for individuals or groups. Lecture 1 considers behaviors innate in the newborn and behaviors that develop over time. Lecture 2 considers the importance of an infant's attachment to parents for the infant's development. Milestones of physical, sensorimotor, social, emotional, and language development; typical developmental problem areas; and parenting processes specific to developmental phases are listed for various phases of childhood. Lecture 3 considers developmental problems of foster children. These problems include failure to thrive, poor attachment, difficulties in toilet training, language acquisition delay, and separation. Lecture 4 considers the role of play in learning, and presents guidelines for the selection of developmentally appropriate toys. A reference list of 10 items is provided. A five-page form for evaluating the module is included. (BC)