Successful interdisciplinary team practice for persons with developmental disabilities -evaluation, programming, and monitoring progress- requires that each team member understand and respect the contributions of the others. This handbook explains the professions most often represented on interdisciplinary their natures, concerns, and roles within the interdisciplinary context. Represented in this volume are Administration; Audiology; Behavior Analysis; Pediatric Dentistry; Information/Instructional Technology; Neurology/Child Neurology/Developmental Pediatrics; Nursing; Nutrition; Occupational Therapy; Pediatric Medicine; Physical Therapy; Psychiatry; Psychology; Social Work; Special Education; and Speech-Language Pathology. Topics include the history, scope and focus of each discipline; its education and training requirements; licensure, certification, and continuing education; and contributions to interdisciplinary practice, featuring case examples of interventions where the specific profession played a critical role. A final chapter speaks to the changing nature of interdisciplinary practice, in light of changes in our health-care system and in our conceptions of "good" professional practice.