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  • A systematic review of predictors, moderators, and mediators of augmentative and alternative communication (AAC) outcomes for children with autism spectrum disorder

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    Accepted Manuscript (AM)
    Author(s)
    Sievers, Stephanie B
    Trembath, David
    Westerveld, Marleen
    Griffith University Author(s)
    Westerveld, Marleen F.
    Trembath, David
    Year published
    2018
    Metadata
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    Abstract
    Documented variability in augmentative and alternative communication (AAC) intervention outcomes makes it difficult for clinicians to select systems most likely to be effective for individual children with autism spectrum disorder (ASD). The aim of this study was to identify child-related factors associated with AAC intervention outcomes through a systematic review of the research literature. A search was conducted of peer-reviewed research articles in which AAC intervention outcomes and associated factors were reported for children with ASD. The search yielded 965 titles and abstracts, of which seven articles relating to ...
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    Documented variability in augmentative and alternative communication (AAC) intervention outcomes makes it difficult for clinicians to select systems most likely to be effective for individual children with autism spectrum disorder (ASD). The aim of this study was to identify child-related factors associated with AAC intervention outcomes through a systematic review of the research literature. A search was conducted of peer-reviewed research articles in which AAC intervention outcomes and associated factors were reported for children with ASD. The search yielded 965 titles and abstracts, of which seven articles relating to six studies met criteria for inclusion. In total, 18 factors were examined, of which nine were assessed as predictors (e.g., cognition, ASD severity, language use), three as moderators (e.g., joint attention, object exploration), and six as mediators (e.g., frequency of therapy, communication partner knowledge). Child characteristics associated with communication outcomes were pre-intervention cognition, severity of ASD, verbal imitation, vocabulary comprehension, object use, joint attention, language use, and two multi-dimensional measures of communication competence. This study suggests emerging evidence for predictors, but less is known about what factors moderate and mediate response to AAC interventions.
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    Journal Title
    Augmentative and Alternative Communication
    Volume
    34
    Issue
    3
    DOI
    https://doi.org/10.1080/07434618.2018.1462849
    Funder(s)
    NHMRC
    Grant identifier(s)
    APP1071811
    Copyright Statement
    © 2018 Taylor & Francis. This is an Accepted Manuscript of an article published by Taylor & Francis in Augmentative and Alternative Communication on 28 Apr 2018, available online: https://doi.org/10.1080/07434618.2018.1462849
    Subject
    Specialist studies in education
    Communication and media studies
    Communication and media studies not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/381438
    Collection
    • Journal articles

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