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J Autism Dev Disord. 2015 Nov;45(11):3680-92. doi: 10.1007/s10803-015-2514-6.

The Adult Repetitive Behaviours Questionnaire-2 (RBQ-2A): A Self-Report Measure of Restricted and Repetitive Behaviours.

Author information

1
Wales Autism Research Centre, School of Psychology, Cardiff University, Tower Building, Park Place, Cardiff, CF10 3AT, UK. BarrettSL2@cardiff.ac.uk.
2
Olga Tennison Autism Research Centre, Cooperative Research Centre for Living with Autism Spectrum Disorders (Autism CRC), School of Psychology and Public Health, La Trobe University, Bundoora, 3086, Australia.
3
Olga Tennsion Autism Research Centre, School of Psychology and Public Health, La Trobe University, Melbourne, Australia.
4
Wales Autism Research Centre, School of Psychology, Cardiff University, Tower Building, Park Place, Cardiff, CF10 3AT, UK.

Abstract

In two studies we developed and tested a new self-report measure of restricted and repetitive behaviours (RRB) suitable for adults. In Study 1, The Repetitive Behaviours Questionnaire-2 for adults (RBQ-2A) was completed by a sample of 163 neurotypical adults. Principal components analysis revealed two components: Repetitive Motor Behaviours and Insistence on Sameness. In Study 2, the mean RBQ-2A scores of a group of adults with autism spectrum disorder (ASD; N = 29) were compared to an adult neurotypical group (N = 37). The ASD sample had significantly higher total and subscale scores. These results indicate that the RBQ-2A has utility as a self-report questionnaire measure of RRBs suitable for adults, with potential clinical application.

KEYWORDS:

Adults; Autism; Principal components analysis; Questionnaire; Repetitive behaviours

PMID:
26155763
PMCID:
PMC4608982
DOI:
10.1007/s10803-015-2514-6
[Indexed for MEDLINE]
Free PMC Article

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