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Journal of Autism and Developmental Disorders

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12-10-2014 | Perception In Autism

Does WISC-IV Underestimate the Intelligence of Autistic Children?

Auteurs: Anne-Marie Nader, Valérie Courchesne, Michelle Dawson, Isabelle Soulières

Gepubliceerd in: Journal of Autism and Developmental Disorders | Uitgave 5/2016

Abstract

Wechsler Intelligence Scale for Children (WISC) is widely used to estimate autistic intelligence (Joseph in The neuropsychology of autism. Oxford University Press, Oxford, 2011; Goldstein et al. in Assessment of autism spectrum disorders. Guilford Press, New York, 2008; Mottron in J Autism Dev Disord 34(1):19–27, 2004). However, previous studies suggest that while WISC-III and Raven’s Progressive Matrices (RPM) provide similar estimates of non-autistic intelligence, autistic children perform significantly better on RPM (Dawson et al. in Psychol Sci 18(8):657–662, doi:10.1111/j.1467-9280.2007.01954.x, 2007). The latest WISC version introduces substantial changes in subtests and index scores; thus, we asked whether WISC-IV still underestimates autistic intelligence. Twenty-five autistic and 22 typical children completed WISC-IV and RPM. Autistic children’s RPM scores were significantly higher than their WISC-IV FSIQ, but there was no significant difference in typical children. Further, autistic children showed a distinctively uneven WISC-IV index profile, with a “peak” in the new Perceptual Reasoning Index. In spite of major changes, WISC-IV FSIQ continues to underestimate autistic intelligence.

vorige artikel Atypical Social Judgment and Sensitivity to Perceptual Cues in Autism Spectrum Disorders

volgende artikel Sensory Symptoms and Processing of Nonverbal Auditory and Visual Stimuli in Children with Autism Spectrum Disorder

To reduce unhelpful biases, we use “autistic” and similar accurate, respectful terminology. See, e.g., Sinclair (1999).

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Titel: Does WISC-IV Underestimate the Intelligence of Autistic Children?
Auteurs: Anne-Marie Nader
Valérie Courchesne
Michelle Dawson
Isabelle Soulières
Publicatiedatum: 12-10-2014
Uitgeverij: Springer US
Gepubliceerd in: Journal of Autism and Developmental Disorders / Uitgave 5/2016
Print ISSN: 0162-3257
Elektronisch ISSN: 1573-3432
DOI: https://doi.org/10.1007/s10803-014-2270-z

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