Front Matter -- Preface -- Contents -- Executive Summary -- 1 Introduction -- 2 Diagnosis, Assessment, and Prevalence -- 3 Family Roles -- 4 Goals for Educational Services -- 5 Development of Communication -- 6 Social Development -- 7 Cognitive Development -- 8 Sensory and Motor Development -- 9 Adaptive Behaviors -- 10 Problem Behaviors -- 11 Instructional Strategies -- 12 Comprehensive Programs -- 13 Public Policy and Legal Issues -- 14 Personnel Preparation -- 15 Methodological Issues in Research on Educational Interventions -- 16 Conclusions and Recommendations -- References -- Biographical Sketches -- Index.