Differentiating Among Children with PDD-NOS, ADHD, and those with a Combined Diagnosis on the Basis of WISC-III Profiles

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• 作者：J. G. M. Scheirs and E. A. Timmers
• 关键词：ADHD ; PDD ; NOS ; WISC ; III ; Intelligence profiles
• 刊名：Journal of Autism and Developmental Disorders
• 出版年：2009
• 出版时间：April, 2009
• 年：2009
• 卷：39
• 期：4
• 页码：549-556
• 全文大小：257.2 KB

文摘

Pervasive Developmental Disorder-Not Otherwise Specified (PDD-NOS) and Attention Deficit/Hyperactivity Disorder (ADHD) have partly overlapping symptoms. It can also be debated whether a third diagnostic category exists: children with a combined diagnosis. In this study an attempt was made to distinguish among the three groups on the basis of intelligence (WISC-III) profiles. It was found that the PDD-NOS group had higher verbal and performance IQ’s, as well as higher WISC-III index scores than the ADHD group. Subtests Block Design and Mazes discriminated best. It was concluded that based on intelligence scores, only PDD-NOS and ADHD emerged as distinct categories, whereas the combined diagnosis did not. Future research on the distinctiveness of these diagnostic groups, however, should include variables other than IQ.