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Assessing subtypes of restricted and repetitive behaviour using the Adult Repetitive Behaviour Questionnaire-2 in autistic adults / Sarah L. BARRETT in Molecular Autism, 9 (2018)
[article]
Titre : Assessing subtypes of restricted and repetitive behaviour using the Adult Repetitive Behaviour Questionnaire-2 in autistic adults Type de document : Texte imprimé et/ou numérique Auteurs : Sarah L. BARRETT, Auteur ; M. ULJAREVIC, Auteur ; Catherine R. G. JONES, Auteur ; S. R. LEEKAM, Auteur Article en page(s) : 58 p. Langues : Anglais (eng) Mots-clés : Adolescent Adult Aged Autistic Disorder/classification/*diagnosis Female Humans Male Middle Aged *Stereotyped Behavior Surveys and Questionnaires/*standards *Adults *Insistence on sameness *Principal components analysis *Questionnaire *Repetitive behaviours *Repetitive sensory and motor behaviours the Cardiff University School of Psychology Research Ethics Committee (EC.14.04.08.3784R2A3). All participants provided informed electronic consent before taking part in the study.Not applicableThe authors declare that they have no competing interests.Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. Index. décimale : PER Périodiques Résumé : 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: PCA resulted in two components of the RBQ-2A, interpretable as repetitive sensory and motor behaviours (RSMB) and insistence on sameness (IS). Both components showed acceptable internal consistency (alpha = .70 and .81 respectively) and were significantly moderately correlated with scores on the AQ (r s = .25 and .42). Participants' scores on IS were higher than their scores on RSMB. RSMB, but not IS, was negatively associated with age, particularly in older adults (>/= 50 years). There were no gender differences. Conclusions: The RBQ-2A is a reliable and valid self-report measure of RRBs in the present sample of autistic adults. As one of the few measures of RRBs aimed at adults, it is suitable for adults with the ability to read and complete a self-report questionnaire. Results build on previous work with children using the Repetitive Behaviour Questionnaire-2 (RBQ-2). En ligne : https://dx.doi.org/10.1186/s13229-018-0242-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=389
in Molecular Autism > 9 (2018) . - 58 p.[article] Assessing subtypes of restricted and repetitive behaviour using the Adult Repetitive Behaviour Questionnaire-2 in autistic adults [Texte imprimé et/ou numérique] / Sarah L. BARRETT, Auteur ; M. ULJAREVIC, Auteur ; Catherine R. G. JONES, Auteur ; S. R. LEEKAM, Auteur . - 58 p.
Langues : Anglais (eng)
in Molecular Autism > 9 (2018) . - 58 p.
Mots-clés : Adolescent Adult Aged Autistic Disorder/classification/*diagnosis Female Humans Male Middle Aged *Stereotyped Behavior Surveys and Questionnaires/*standards *Adults *Insistence on sameness *Principal components analysis *Questionnaire *Repetitive behaviours *Repetitive sensory and motor behaviours the Cardiff University School of Psychology Research Ethics Committee (EC.14.04.08.3784R2A3). All participants provided informed electronic consent before taking part in the study.Not applicableThe authors declare that they have no competing interests.Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. Index. décimale : PER Périodiques Résumé : 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: PCA resulted in two components of the RBQ-2A, interpretable as repetitive sensory and motor behaviours (RSMB) and insistence on sameness (IS). Both components showed acceptable internal consistency (alpha = .70 and .81 respectively) and were significantly moderately correlated with scores on the AQ (r s = .25 and .42). Participants' scores on IS were higher than their scores on RSMB. RSMB, but not IS, was negatively associated with age, particularly in older adults (>/= 50 years). There were no gender differences. Conclusions: The RBQ-2A is a reliable and valid self-report measure of RRBs in the present sample of autistic adults. As one of the few measures of RRBs aimed at adults, it is suitable for adults with the ability to read and complete a self-report questionnaire. Results build on previous work with children using the Repetitive Behaviour Questionnaire-2 (RBQ-2). En ligne : https://dx.doi.org/10.1186/s13229-018-0242-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=389