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    Something for everybody? Assessing the suitability of AAC systems for children using stated preference methods

    Webb, Edward JD, Meads, David, Lynch, Yvonne, Randall, Nicola, Judge, Simon, Goldbart, Julie ORCID logoORCID: https://orcid.org/0000-0003-1290-7833, Meredith, Stuart, Moulam, Liz, Hess, Stephane and Murray, Janice ORCID logoORCID: https://orcid.org/0000-0001-8809-4256 (2023) Something for everybody? Assessing the suitability of AAC systems for children using stated preference methods. Augmentative and Alternative Communication, 39 (3). pp. 157-169. ISSN 0743-4618

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    Abstract

    Little is known about what features of AAC systems are regarded by AAC professionals as more suitable for children with different characteristics. A survey was conducted in which participants rated the suitability of hypothetical AAC systems on a Likert scale from 1 (very unsuitable) to 7 (very suitable) alongside a discrete choice experiment. The survey was administered online to 155 AAC professionals in the United Kingdom of Great Britain and Northern Ireland. Statistical modeling was used to estimate how suitable 274 hypothetical AAC systems were for each of 36 child vignettes. The proportion of AAC systems rated at least 5 out of 7 for suitability varied from 51.1% to 98.5% for different child vignettes. Only 12 out of 36 child vignettes had any AAC systems rated at least 6 out of 7 for suitability. The features of the most suitable AAC system depended on the characteristics of the child vignette. The results show that, while every child vignette had several systems that had a good suitability rating, there were variations, that could potentially lead to inequalities in provision.

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