Barrett, Sarah L., Uljarevic, Mirko, Jones, Catherine R. G. ORCID: https://orcid.org/0000-0003-0541-0431 and Leekam, Susan ORCID: https://orcid.org/0000-0002-1122-0135 2018. Assessing subtypes of restricted and repetitive behaviour using the Adult Repetitive Behaviour Questionnaire-2 in autistic adults. Molecular Autism 9 , 58. 10.1186/s13229-018-0242-4 |
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Abstract
Background The majority of previous research into restricted and repetitive behaviours (RRBs) has focussed on children, partly due to a lack of suitable measures for RRBs in adults. This study aimed to explore the psychometric properties of the Adult Repetitive Behaviour Questionnaire-2 (RBQ-2A) in a large sample of autistic adults using a self-report questionnaire method. Methods The RBQ-2A and Autism-Spectrum Quotient (AQ) were administered online. Data from 275 autistic adults aged 18–66 (M = 36.56, SD = 12.24; 100 men and 171 women) were analysed using polychoric principal components analysis (PCA). Reliability and validity were assessed using Cronbach’s alpha and correlation analyses. Results Background The majority of previous research into restricted and repetitive behaviours (RRBs) has focussed on children, partly due to a lack of suitable measures for RRBs in adults. This study aimed to explore the psychometric properties of the Adult Repetitive Behaviour Questionnaire-2 (RBQ-2A) in a large sample of autistic adults using a self-report questionnaire method. Methods The RBQ-2A and Autism-Spectrum Quotient (AQ) were administered online. Data from 275 autistic adults aged 18–66 (M = 36.56, SD = 12.24; 100 men and 171 women) were analysed using polychoric principal components analysis (PCA). Reliability and validity were assessed using Cronbach’s alpha and correlation analyses. Results
Item Type: | Article |
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Date Type: | Publication |
Status: | Published |
Schools: | Psychology |
Publisher: | Biomed Central |
ISSN: | 2040-2392 |
Date of First Compliant Deposit: | 8 November 2018 |
Date of Acceptance: | 7 November 2018 |
Last Modified: | 15 Nov 2024 16:15 |
URI: | https://orca.cardiff.ac.uk/id/eprint/116565 |
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