The Construction and Validation of an Abridged Version of the Autism-Spectrum Quotient (AQ-Short)

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.

DOI: 10.1007/s10803-010-1073-0

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@inproceedings{Hoekstra2011TheCA, title={The Construction and Validation of an Abridged Version of the Autism-Spectrum Quotient (AQ-Short)}, author={R A Hoekstra and Anna A. E. Vinkhuyzen and Sally J. Wheelwright and M. Bartels and Dorret I. Boomsma and Simon Baron-Cohen and Danielle Posthuma and Sophie van der Sluis}, booktitle={Journal of autism and developmental disorders}, year={2011} }