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Direct linkOuellette-Kuntz, Helene; Coo, Helen; Lloyd, Jennifer E. V.; Kasmara, Liza; Holden, Jeanette J. A.; Lewis, Suzanne M. E. – Journal of Autism and Developmental Disorders, 2007
There is considerable controversy over reasons for observed increases in the prevalence of autism spectrum disorders. We examined trends in British Columbia education database coding of children with autism from 1996 to 2004. There was a significant linear increase in autism prevalence. The proportion of children identified by age 6 increased…
Descriptors: Incidence, Autism, Identification, Foreign Countries
