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Nevison, Cynthia; Zahorodny, Walter – Journal of Autism and Developmental Disorders, 2019
Race-specific time trends in Autism Spectrum Disorder prevalence are tracked among 3-5 year-olds and 8 year-olds identified by the U.S. Individuals with Disabilities Education Act (IDEA) and the Autism and Developmental Disabilities Monitoring (ADDM) Network, respectively. White ASD prevalence historically has been higher than other racial groups…
Descriptors: Race, Trend Analysis, Incidence, Autism
Nevison, Cynthia; Blaxill, Mark; Zahorodny, Walter – Journal of Autism and Developmental Disorders, 2018
Time trends in U.S. autism prevalence from three ongoing datasets [Individuals with Disabilities Education Act, Autism and Developmental Disabilities Monitoring Network, and California Department of Developmental Services (CDDS)] are calculated using two different methods: (1) constant-age tracking of 8 year-olds and (2) age-resolved snapshots.…
Descriptors: Autism, Pervasive Developmental Disorders, Incidence, Population Trends