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The Swedish Version of the Ritvo Autism and Asperger Diagnostic Scale: Revised (RAADS-R). A Validation Study of a Rating Scale for Adults
Stockholm University.
University of Canterbury.
Karolinska Institute.
Lund University.
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2011 (English)In: Journal of autism and developmental disorders, ISSN 0162-3257, E-ISSN 1573-3432, Vol. 41, no 12, 1635-1645 p.Article in journal (Refereed) Published
Abstract [en]

There is a paucity of diagnostic instruments for adults with autism spectrum disorder (ASD). This study evaluates the psychometric properties of the Swedish version of the Ritvo Autism and Asperger Diagnostic Scale-Revised (RAADS-R), an 80-item self-rating scale designed to assist clinicians diagnosing ASD in adults. It was administered to 75 adults with ASD and 197 comparison cases. Also, a subset completed the Autism Spectrum Quotient (AQ). Three out of four subscales had high internal consistency. Sensitivity was 91% and specificity was 93%. The ASD subjects had significantly higher mean scores on all subscales. ASD females had higher scores than ASD males on the sensory motor subscale, a dimension not included in the AQ. RAADS-R showed promising test re-test reliability.

Place, publisher, year, edition, pages
Springer Verlag (Germany) , 2011. Vol. 41, no 12, 1635-1645 p.
Keyword [en]
Autistic disorder, Asperger syndrome, Psychiatric status rating scales, Self assessment (Psychology), Diagnostic techniques and procedures, Adult
National Category
Medical and Health Sciences
URN: urn:nbn:se:liu:diva-73096DOI: 10.1007/s10803-011-1191-3ISI: 000297168300005OAI: diva2:466457
Available from: 2011-12-16 Created: 2011-12-16 Last updated: 2011-12-19

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