Validation of an adapted version of the Glasgow Anxiety Scale for People with Intellectual Disabilities (GAS-ID)
Journal article
Maïano, Christophe, Morin, Alexandre J. S., Gagnon, Cynthia, Olivier, Elizabeth, Tracey, Danielle, Craven, Rhonda G. and Bouchard, Stéphane. (2023). Validation of an adapted version of the Glasgow Anxiety Scale for People with Intellectual Disabilities (GAS-ID). Journal of Autism and Developmental Disorders. 53(4), pp. 1560-1572. https://doi.org/10.1007/s10803-021-05398-7
Authors | Maïano, Christophe, Morin, Alexandre J. S., Gagnon, Cynthia, Olivier, Elizabeth, Tracey, Danielle, Craven, Rhonda G. and Bouchard, Stéphane |
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Abstract | The objective of the study was to validate adapted versions of the Glasgow Anxiety Scale for people with Intellectual Disabilities (GAS-ID) simultaneously developed in English and French. A sample of 361 youth with mild to moderate intellectual disability (ID) (M = 15.78 years) from Australia (English-speaking) and Canada (French-speaking) participated in this study. The results supported the factor validity and reliability, measurement invariance (between English and French versions), a lack of differential items functioning (as a function of youth’s age and ID level, but not sex in the English-Australian sample), temporal stability (over one year interval), and convergent validity (with global self-esteem and school loneliness) of a bi-factor exploratory structural equation modeling representation of the GAS-ID. The present study supports the psychometric properties of the English-Australian and French-Canadian versions of the adapted GAS-ID. |
Keywords | age; intellectual disability; psychological wellbeing; measurement invariance; multiple indicators multiple causes; special education needs |
Year | 2023 |
Journal | Journal of Autism and Developmental Disorders |
Journal citation | 53 (4), pp. 1560-1572 |
Publisher | Springer |
ISSN | 0162-3257 |
Digital Object Identifier (DOI) | https://doi.org/10.1007/s10803-021-05398-7 |
PubMed ID | 35138559 |
Scopus EID | 2-s2.0-85125069450 |
Page range | 1560-1572 |
Funder | Australian Research Council (ARC) |
Social Sciences and Humanities Research Council of Canada (SSHRC) | |
Publisher's version | License All rights reserved File Access Level Controlled |
Output status | Published |
Publication dates | |
Online | 09 Feb 2022 |
Publication process dates | |
Accepted | 06 Dec 2021 |
Deposited | 01 Mar 2023 |
ARC Funded Research | This output has been funded, wholly or partially, under the Australian Research Council Act 2001 |
Grant ID | DP140101559 |
430-2012-0091 | |
435-2014-0909 |
https://acuresearchbank.acu.edu.au/item/8yw24/validation-of-an-adapted-version-of-the-glasgow-anxiety-scale-for-people-with-intellectual-disabilities-gas-id
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