This systematic review examines train the trainer (TTT) effectiveness trials of behavioral interventions for individuals with autism spectrum disorder (ASD).
Published methodological quality scales were used to assess studies including participant description, research design, intervention, outcomes, and analysis.
Twelve studies including 9 weak quality quasi-experimental studies, 2 single-subject experimental design studies of moderate and weak quality, and 1 high quality randomized control trial were included.
Overall, author reported effect sizes and calculation of improvement rate difference for SSRDs indicate positive effects of intervention across participant outcomes including cognition, language, and autism symptoms postcommunity delivered interventions primarily based in applied behavior analysis.
Effects varied by children's developmental level.
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