Brief Report: The Use of WAIS-III in Adults with HFA and Asperger Syndrome
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The WAIS III was administered to 16 adults with high functioning autism (HFA) and 27 adults with Asperger syndrome. Differences between Verbal Intelligence (VIQ) and Performance Intelligence (PIQ) were not found. Processing Speed problems in people with HFA appeared. At the subtest level, the Asperger syndrome group performed weak on Digit Span. Comprehension and Block Design were relative strengths. In the HFA group, performance on Digit-Symbol Coding and Symbol Search was relatively poor. Strengths were found on Information and Matrix Reasoning. The results suggest that the VIQ-PIQ difference cannot distinguish between HFA and Asperger syndrome. WAIS III Factor Scale and Subtest patterning provides a more valid indicator.
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The Shah and Frith (1993) study has been supported in more recent work by Happé (1994), Ruhl et al. (1995), Siegel et al. (1996), Ehlers et al. (1997), Dennis et al. (1999), Ropar and Mitchell (2001) and Spek et al. (2008).
“The Shah and Frith (1993) study has been supported in more recent work by Happé (1994), Ruhl, Werner, and Poustka (1995), Siegel, Minshew, and Goldstein (1996), Ehlers et al. (1997), Dennis et al. (1999), Ropar and Mitchell (2001) and Spek, Scholte, and van Berckelaer-Onnes (2008).”
From Vision in autism spectrum disorders (2009) · cites this paper as Spek et al., 2008
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- Authors
- Spek, A. A., Scholte, E. M., & van Berckelaer-Onnes, I. A.
- Affiliations
- Leiden University (NL)
- Corresponding author
- Spek, Antoinette A.
- Venue
- Journal of Autism and Developmental Disorders
- Published
- 2007-09-19
- Volume
- 38
- Issue
- 4
- Pages
- 782-787
- ISSN
- 0162-3257 (ISSN-L)
- 1573-3432
- PMC
- PMC2268726
- OpenAlex
- W1979793123
- Cited by
- 71
- References
- 26
- Citations by year
- 2026: 1 · 2024: 1 · 2023: 1 · 2022: 2 · 2021: 1 · 2020: 1 · 2019: 1 · 2018: 4 · 2017: 5 · 2016: 6 · 2015: 8 · 2014: 4 · 2013: 8 · 2012: 7
- FWCI
- 2.17
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Journal of Autism and Developmental Disorders (publishedVersion, cc-by-nc)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Universiteit Leiden
- Topics
- Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
- Social Sciences › Psychology › Neuropsychology and Physiological Psychology › Developmental and Educational Neuropsychology
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Abilities and Testing
- Keywords
- high-functioning autism, Asperger syndrome, WAIS-III, intelligence testing, verbal intelligence, performance intelligence, processing speed, digit span, autistic adults
- MeSH terms
- Adult, Cognition Disorders, Female, Humans, Male, Severity of Illness Index, Wechsler Scales, Asperger Syndrome
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