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Creer, Sarah; Enderby, Pamela; Judge, Simon; John, Alex – International Journal of Language & Communication Disorders, 2016
Background: Commissioners and providers require information relating to the number of people requiring a service in order to ensure provision is appropriate and equitable for the population they serve. There is little epidemiological evidence available regarding the prevalence of people who could benefit from augmentative and alternative…
Descriptors: Foreign Countries, Augmentative and Alternative Communication, Incidence, Epidemiology
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Ryan, Joseph B.; Hughes, Elizabeth M.; Katsiyannis, Antonis; McDaniel, Melanie; Sprinkle, Cynthia – TEACHING Exceptional Children, 2011
Autism spectrum disorder (ASD) has become the fastest growing disability in the United States, with current prevalence rates estimated at as many as 1 in 110 children (CDC, 2010). This increase in the number of students identified with ASD has significant implications for public schools. The most popular research-based educational practices for…
Descriptors: Autism, Educational Practices, Pervasive Developmental Disorders, Educational Research