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Dyck, Murray J.; Piek, Jan P.; Patrick, Jeff – Research in Developmental Disabilities: A Multidisciplinary Journal, 2011
We tested whether developmental coordination disorder (DCD) and mixed receptive expressive language disorder (RELD) are valid diagnoses by assessing whether they are separated from each other, from other childhood disorders, and from normality by natural boundaries termed zones of rarity. Standardized measures of intelligence, language, motor…
Descriptors: Attention Deficit Hyperactivity Disorder, Mental Retardation, Autism, Social Cognition
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Follan, Michael; Anderson, Seonaid; Huline-Dickens, Sarah; Lidstone, Emma; Young, David; Brown, Gordon; Minnis, Helen – Research in Developmental Disabilities: A Multidisciplinary Journal, 2011
We aimed to determine whether it is possible to discriminate between children with attention deficit hyperactivity disorder (ADHD) and children with reactive attachment disorder (RAD) using standardized assessment tools for RAD. The study involved 107 children: 38 with a diagnosis of RAD and 30 with ADHD were recruited through community child and…
Descriptors: Disability Identification, Children, Comparative Analysis, Symptoms (Individual Disorders)