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Tuija Aro; Reeta Neittaanmäki; Elisa Korhonen; Heli Riihimäki; Minna Torppa – Journal of Learning Disabilities, 2024
The present study examined whether learning disabilities (LD) in reading and/or math (i.e., reading disability [RD], math disability [MD], and RD+MD) co-occur with other diagnoses. The data comprised a clinical sample (n = 430) with LD identified in childhood and a sample of matched controls (n = 2,140). Their medical diagnoses (according to the…
Descriptors: Comorbidity, Learning Disabilities, Neurodevelopmental Disorders, Mental Disorders
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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