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Rice, Catherine – Centers for Disease Control and Prevention, 2009
Problem/Condition: Autism spectrum disorders (ASDs) are a group of developmental disabilities characterized by atypical development in socialization, communication, and behavior. ASDs typically are apparent before age 3 years, with associated impairments affecting multiple areas of a person's life. Because no biologic marker exists for ASDs,…
Descriptors: Age Differences, Gender Differences, Incidence, Autism
Bachrach, Leona L. – 1975
Spanish Americans admitted to State and county mental hospitals in the U.S. during 1972 were examined. Purpose was to show if and how they differed from admissions of other ethnic groups in terms of their demographic composition (age, sex, and marital status), their socioeconomic level as measured by educational attainment, their diagnostic…
Descriptors: Academic Achievement, Age, Comparative Analysis, Educational Background