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J Autism Dev Disord. 2011 May;41(5):589-96. doi: 10.1007/s10803-010-1073-0.

The construction and validation of an abridged version of the autism-spectrum quotient (AQ-Short).

Author information

  • 1Department of Life Sciences, Faculty of Science, The Open University, Walton Hall, Milton Keynes, MK7 6AA, UK. R.A.Hoekstra@open.ac.uk

Abstract

This study reports on the development and validation of an abridged version of the 50-item Autism-Spectrum Quotient (AQ), a self-report measure of autistic traits. We aimed to reduce the number of items whilst retaining high validity and a meaningful factor structure. The item reduction procedure was performed on data from 1,263 Dutch students and general population adults. The resulting 28-item AQ-Short was subsequently validated in 3 independent samples, both clinical and controls, from the Netherlands and the UK. The AQ-Short comprises two higher-order factors assessing 'social behavioral difficulties' and 'a fascination for numbers/patterns'. The clear factor structure of the AQ-Short and its high sensitivity and specificity make the AQ-Short a useful alternative to the full 50-item version.

PMID:
20697795
[PubMed - indexed for MEDLINE]
PMCID:
PMC3076581
Free PMC Article
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