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Barnard-Brak, Lucy; Sulak, Tracey N.; Fearon, Danielle D. – Journal of Attention Disorders, 2011
Objective: ADHD is a commonly diagnosed neuropsychological disorder among school-aged children with reported high rates of coexisting or comorbid disorders. As ADHD has been associated with academic underachievement, the current study examines this association in view of the presence of coexisting disorders. The purpose of the current study is to…
Descriptors: Underachievement, Reading Achievement, Mathematics Achievement, Attention Deficit Hyperactivity Disorder
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Gadow, Kenneth D.; DeVincent, Carla J.; Schneider, Jayne – Journal of Attention Disorders, 2009
Objective: Identification of differences among children with ADHD only, autism spectrum disorder (ASD)+ADHD, and chronic multiple tic disorder (CMTD)+ADHD may lead to better understanding of clinical phenotypes. Method: Children were evaluated using the parent- and teacher-completed questionnaires. Results: All three groups were highly similar in…
Descriptors: Pervasive Developmental Disorders, Neurological Impairments, Behavior Disorders, Antisocial Behavior