Effects of interventions that include aided augmentative and alternative communication input on the communication of individuals with complex communication needs: A meta-analysis

Effects of interventions that include aided augmentative and alternative communication input on the communication of individuals with complex communication needs: A meta-analysis

Forfattere
O'Neill, Tara Light, Janice Pope, Lauramarie
Årstall
2018
Tidsskrift
Journal of Speech, Language, and Hearing Research
Volum
61
Sider
1743-1765
Purpose: The purpose of this meta-analysis was to investigate the effects of augmentative and alternative communication (AAC) interventions that included aided AAC input (e.g., aided AAC modeling, aided language modeling, aided language stimulation, augmented input) on communicative outcomes (both comprehension and expression) for individuals with developmental disabilities who use AAC. Method: A systematic search resulted in the identification of 26 single-case experimental designs (88 participants) and 2 group experimental designs (103 participants). Studies were coded in terms of participants, intervention characteristics, dependent variables, outcomes, and quality of evidence. Results: AAC interventions that included aided AAC input in isolation, or as part of a multicomponent intervention, were found to be highly effective across participants of various ages, disabilities, and language skills. The interventions typically included aided AAC input in conjunction with expectant delay, direct prompting (e.g., spoken, gestural), contingent responding, and openended questions. The interventions were found to be highly effective in supporting both comprehension and expression across the domains of pragmatics, semantics, and morphosyntax. Outcomes related to expression were reported more often than outcomes related to comprehension. Conclusion: Aided AAC input may reduce input-output asymmetry and enhance expression and comprehension for individuals who use AAC; the evidence suggests that partners should utilize this strategy. Future research is needed to investigate the effects of AAC input (aided and unaided) on long-term language development for individuals who require AAC. (PsycINFO Database Record (c) 2019 APA, all rights reserved)

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Tiltaksnivå

Behandling og hjelpetiltak

Tema

Psykiske vansker og lidelser

Autismespekter

Utvikling og livsmestring

Språk (reseptivt/ekspressivt)

Biologiske risikofaktorer, sykdommer og symptomer

Psykisk/fysisk funksjonsnedsettelse

Tiltak

Psykososiale hjelpetiltak

Habilitering/rehabilitering (inkl. fysioterapi)

Aldersgruppe

Barn i førskolealder (3-5 år)

Barn i skolealder (6-12 år)

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