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Cummings, Anne R.; Carr, James E.; LeBlanc, Linda A. – Research in Autism Spectrum Disorders, 2012
The Picture Exchange Communication System (PECS) is a picture-based alternative communication method that is widely accepted and utilized with individuals with disabilities. Although prior studies have examined the clinical efficacy of PECS, none have experimentally evaluated its manualized training structure. We experimentally evaluated the…
Descriptors: Language Impairments, Evaluation, Training, Children
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Ganz, Jennifer B.; Earles-Vollrath, Theresa L.; Mason, Rose A.; Rispoli, Mandy J.; Heath, Amy K.; Parker, Richard I. – Research in Autism Spectrum Disorders, 2011
Individuals with autism spectrum disorders (ASD) who cannot speak at all or not intelligibly are frequently taught to use aided augmentative and alternative communication (AAC). The majority of the research on the use of AAC with individuals with ASD has been single-case research studies. This investigation involved a meta-analysis of the…
Descriptors: Autism, Pervasive Developmental Disorders, Augmentative and Alternative Communication, Participant Characteristics