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Effect of two layouts on high technology AAC navigation and content location by people with aphasia

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TitleEffect of two layouts on high technology AAC navigation and content location by people with aphasia
Publication TypeJournal Article
AbstractPurpose: Navigating high-technology augmentative and alternative communication (AAC) devices with dynamic displays can be challenging for people with aphasia. The purpose of this study was to determine which of two AAC interfaces two people with aphasia could use most efficiently and accurately. Method: The researchers used a BCB0C0 alternating treatment design to provide device-use instruction to two people with severe aphasia regarding two personalised AAC interfaces that had different navigation layouts but identical content. One interface had static buttons for homepage and go-back features, and the other interface had static buttons in a navigation ring layout. Throughout treatment, the researchers monitored participants’ mastery patterns regarding navigation efficiency and accuracy when locating target messages. Results: Participants’ accuracy and efficiency improved with both interfaces given intervention; however, the navigation ring layout appeared more transparent and better facilitated navigation than the homepage layout. Conclusions: People with aphasia can learn to navigate computerised devices; however, interface layout can substantially affect the efficiency and accuracy with which they locate messages.
AuthorsWallace, S. E., and Hux K.
Year of Publication2014
PublicationDisability and Rehabilitation: Assistive Technology
Volume9
Issue2
Pages173-182
ISSN1748-3107 (print), 1748-3115 (online)
Publisher DOIhttp://informahealthcare.com/doi/abs/10.3109/17483107.2013.799237
Keywords (MeSH)adult, aphasia, communication aids for disabled, equipment design, learning
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