Interpreting Intelligence Test Results for Children with Disabilities: Is Global Intelligence Relevant?

Document Type

Article

Publication Date

8-1-2007

Abstract

School psychological and neuropsychological evaluations typically include intellectual and other standardized assessment tools in the identification of children with disabilities. The clinical utility of intellectual assessment in the identification and treatment of these children has been repeatedly challenged, with alternatives such as a response to intervention or global intelligence score interpretation offered to replace the long-held tradition of idiographic interpretation of intellectual factors or subtests for the purpose of differential diagnosis and individualized intervention. Replicating previous work, this study examined the structure of intellectual functioning for children diagnosed with Learning Disability (LD; n=128), Attention-Deficit/Hyperactivity Disorder (ADHD; n=71), and traumatic brain injury (TBI; n=29) using regression commonality analysis. Across groups, results provide substantial evidence for a multifactorial representation of intellectual functioning for children with LD, ADHD, or TBI, with little shared variance among factor predictors of FSIQ in each analysis. As global intellectual functioning, represented by the shared variance among all predictors, was largely absent and instead composed of several discrete elements with the requisite specificity for individual interpretation, idiographic interpretation appears to be warranted for children with disabilities.

Publication Title

Applied Neuropsychology

Volume

14

Issue

1

First Page

2

Last Page

12

PubMed ID

17439365

Comments

This article was published in Applied Neuropsychology, Volume 14, Issue 1, August 2007, Pages 2-12, Discussion Pages 13-51.

The published version is available at http://dx.doi.org/10.1080/09084280701280338

Copyright © 2007 by Lawrence Erlbaum Associates, Inc.

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