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Lauritsen, Marlene B.; Jorgensen, Meta; Madsen, Kreesten M.; Lemcke, Sanne; Toft, Susanne; Grove, Jakob; Schendel, Diana E.; Thorsen, Poul – Journal of Autism and Developmental Disorders, 2010
The purpose of this study was to assess the validity of the diagnosis of childhood autism in the Danish Psychiatric Central Register (DPCR) by reviewing medical records from 499 of 504 total children with childhood autism born 1990-1999. Based on review of abstracted behaviors recorded in case records from child psychiatric hospitals, case status…
Descriptors: Case Records, Autism, Psychiatric Hospitals, Validity
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Gadow, Kenneth D.; DeVincent, Carla J.; Drabick, Deborah A. G. – Journal of Autism and Developmental Disorders, 2008
To examine the validity of oppositional defiant disorder (ODD) as a clinical phenotype distinct from attention-deficit hyperactivity disorder (ADHD), parents and teachers completed a DSM-IV-referenced rating scale and a background questionnaire for 608 children (ages 3-12 years) with autism spectrum disorder (ASD). The ASD sample was separated…
Descriptors: Autism, Hyperactivity, Attention Deficit Disorders, Behavior Disorders