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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

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