The study of 883 individuals, age 45 and older, with cerebral palsy and mental retardation, found (1) the presence of cerebral palsy differentiates this group, (2) there were more males than females at all age levels, (3) there were virtually no non-Whites in old-old group, (4) and there were decreases in seizure rates with age. (DB)

This study examined demographic and service delivery data derived from Individualized Education Programs of 153 elementary students with learning disabilities in a medium-sized city in northern Illinois. It specifically addressed family background, prevalence of secondary disabilities and health problems, behavioral and motivational…

WRITTEN FROM THE STANDPOINT OF THE SOCIOLOGIST OR SOCIAL SCIENTIST, THIS BOOK REPORTS DATA OBTAINED FROM STATISTICAL RESEARCH ON MENTAL RETARDATES. ITS CHIEF PURPOSE IS THE SCIENTIFIC STUDY OF THE MENTALLY RETARDED AND PROVISIONS MADE FOR THEM IN THE UNITED STATES. DISCUSSION OF THE GENERAL CONDITION COVERS DEFINITION AND CLASSIFICATION, ETIOLOGY,…