How to distinguish normal from disordered children with poor language or motor skills
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Background & Aims: We tested the Diagnostic and Statistical Manual of Mental Disorders (DSM) hypothesis that so-called specific developmental disorders are marked by a pattern of specific discrepant achievement, and an alternative hypothesis that children with these disorders show a pattern of relatively pervasive low achievement. Methods & Procedures: Children with a diagnosis of Mixed Receptive Expressive Language Disorder (RELD; n 젲1) were compared with children with no previously suspected disorder but low standard language scores (, 80; n 젲2) selected from a representative sample, and children with Developmental Coordination Disorder (DCD; n 젲0) were compared with children with no previously suspected disorder but low standard motor skills scores (n 젲8) selected from a representative sample. Outcomes & Results: Children with diagnosed disorders were more pervasive underachievers. The RELD group obtained lower scores on measures of verbal comprehension, emotion understanding, theory of mind, working memory and response inhibition; the DCD group obtained lower scores on measures of perceptual organization, verbal comprehension, receptive and expressive language, and visual inspection time. Conclusions & Implications: We conclude that relatively pervasive underachievement distinguishes disordered from normal low achievers.
International Journal of Language and Communication Disorders
© 2010 Informa Healthcare. This is an electronic version of an article published in Language & Communication Disorders, Vol. 45, No. 3 , Pages 336-344. Mental Health is available online at: http://informahealthcare.com with the open URL of your article.
Health, Clinical and Counselling Psychology