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Lundqvist, Lars-Olov – Research in Developmental Disabilities: A Multidisciplinary Journal, 2013
The aim of the present study was to investigate the prevalence of behavior problems among people with administratively defined intellectual disability (ID) and identify possible risk markers for behavior problems using the Behavior Problems Inventory (BPI). Sixty-two percent of the ID population (n = 915) had a behavior problem (self-injurious,…
Descriptors: Behavior Problems, Sleep, Foreign Countries, Incidence
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Matson, Johnny L.; Dempsey, Timothy; Fodstad, Jill C. – Research in Developmental Disabilities: A Multidisciplinary Journal, 2009
Autism Spectrum Disorders are a class of conditions categorized by communication problems, ritualistic behaviors, and deficits in social behaviors. While evidence supporting a genetic component of Autism Spectrum Disorders (ASDs) is strong, no specific genetic marker has been identified. Thus, professionals have had to utilize intelligence tests…
Descriptors: Communication Problems, Independent Living, Severe Mental Retardation, Autism