The two part presentation presents information on specific conditions of developmental delay and suggests intervention approaches. Three causes of mental retardation (Down's syndrome, Fetal Alcohol Syndrome, and cerebral palsy) are identified and described in terms of definition, incidence, characteristics, and educational implications. Part II is designed to help participants become familiar with specific remediation/intervention strategies in four areas: cognitive or preacademic skills, social/emotional development, self help skills, and occupational and physical therapy. Cognitive interventions are discussed in terms of teaching discriminations and receptive language. The role of ignoring inappropriate behavior is considered, and the techniques of prompting, fading, and backward chaining are described. (CL)