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Morgan, Paul L.; Woods, Adrienne D.; Wang, Yangyang; Hillemeier, Marianne M.; Farkas, George; Mitchell, Cynthia – Exceptional Children, 2020
Whether students of color are more or less likely to be identified as having disabilities than similarly situated students who are White in U.S. states with histories of de jure and de facto racial segregation is currently unknown. Unadjusted analyses of large samples of students attending elementary and middle schools in the U.S. South yielded…
Descriptors: Racial Segregation, Geographic Regions, Special Education, Minority Group Students
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Wiggins, Lisa D.; Rice, Catherine E.; Baio, Jon – Autism: The International Journal of Research and Practice, 2009
This study evaluated the phenomenon of autistic regression using population-based data. The sample comprised 285 children who met the autism spectrum disorder (ASD) case definition within an ongoing surveillance program. Results indicated that children with a previously documented ASD diagnosis had higher rates of autistic regression than children…
Descriptors: Autism, Children, Child Development, Disability Identification
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