An evaluation of the performance of the WISC-IV eight-subtest short form with children who may have an intellectual disability

Murray, Aja Louise, McKenzie, Karen and Murray, George (2016) An evaluation of the performance of the WISC-IV eight-subtest short form with children who may have an intellectual disability. Journal of Intellectual and Developmental Disability, 41 (1). pp. 50-53. ISSN 1366-8250

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Official URL: http://dx.doi.org/10.3109/13668250.2015.1084611

Abstract

Background - There has been only limited research into the psychometric properties of short-form intellectual assessments when used with children who may have an intellectual disability (ID). The aim of this study was to evaluate an 8-subtest short form of the Wechsler Intelligence Scale for Children – Fourth Edition (WISC-IV) in children assessed for ID, which was initially used by Donders and colleagues (2013) with children with traumatic brain injury.

Methods - Data from 253 individuals with (n = 94) and without (n = 159) ID referred to clinical services were utilised.

Results - At the Full-Scale IQ (FSIQ) cut-off point of 69, the short form had a sensitivity of 0.98 and specificity of 0.89.

Conclusion - The short form performed well in discriminating between those with an estimated FSIQ within and outside the ID range. The inclusion of the Letter–Number Sequencing subtest may, however, make it less attractive to clinicians working in ID services.

Item Type: Article
Uncontrolled Keywords: Intellectual disability, short form, assessment, screening tool, ROC analysis
Subjects: C800 Psychology
Department: Faculties > Health and Life Sciences > Psychology
Depositing User: Karen Mckenzie
Date Deposited: 19 Oct 2015 08:27
Last Modified: 24 Oct 2017 11:31
URI: http://nrl.northumbria.ac.uk/id/eprint/24022

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