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

摘要: 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 combined diagnosis. In this study an attempt was made to distinguish among the three groups on basis of intelligence (WISC-III) profiles. found that PDD-NOS group had higher verbal performance IQ’s, as well WISC-III index scores than ADHD group. Subtests Block Design Mazes discriminated best. concluded based scores, only emerged distinct categories, whereas diagnosis did not. Future research distinctiveness these groups, however, should include variables other IQ.