A Systematic Review of Research Comparing Mobile Technology Speech-Generating Devices to Other AAC Modes with Individuals with Autism Spectrum Disorder

As 30% of individuals with autism spectrum disorder (ASD) demonstrate difficulties with vocal output, augmentative and alternative communication (AAC) intervention can provide a means for those persons to have the ability to communicate with others. To determine the most effective mode of AAC for in...

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Bibliographic Details
Published in:Journal of developmental and physical disabilities 2022-04, Vol.34 (2), p.187-210
Main Authors: Lorah, Elizabeth R., Holyfield, Christine, Miller, Jessica, Griffen, Brenna, Lindbloom, Cody
Format: Article
Language:English
Subjects:
Augmentative and alternative communication
Autism
Autism Spectrum Disorders
Behavioral Science and Psychology
Best practice
Case Studies
Child and School Psychology
Comparative analysis
Evidence based research
Intervention
Medical diagnosis
Pediatrics
Portable computers
Psychology
Public Health
Review Article
Single case studies
Speech
Systematic review
Technology
Verbal behaviour
Verbal Stimuli
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Summary:As 30% of individuals with autism spectrum disorder (ASD) demonstrate difficulties with vocal output, augmentative and alternative communication (AAC) intervention can provide a means for those persons to have the ability to communicate with others. To determine the most effective mode of AAC for individuals with ASD, practitioners must have access to current comparative research in order to make evidence-based decisions. This systematic review searched ERIC, Google Scholar, PsycINFO, and Science Direct databases for studies that compared AAC modes, including mobile technology based speech-generating devices, in intervention with individuals with ASD. The search yielded nine (n = 9) alternating treatment design single case studies including a total of 36 participants with ASD with a mean age of seven (range: 3–13). The included studies were compared to evaluate operants, evidence-based best practices, preferences, and participant performance across AAC modes. Visual and statistical analyses indicated most participants not only preferred using the SGD but had performed better when using such devices compared to picture exchange and manual sign. Findings suggest that practitioners should consider using mobile technology based SGDs to promote verbal behavior from children with a diagnosis of ASD. Additionally, research evaluating verbal operants beyond the initial mand (request) and incorporating participants who are adolescents or adults is needed.
ISSN:1056-263X
1573-3580
DOI:10.1007/s10882-021-09803-y