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Augmentative and Alternative Communication in Autism: A Comparison of the Picture Exchange Communication System and Speech-Output Technology
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Boesch, Miriam Chacon – ProQuest LLC, 2011
The purpose of this comparative efficacy study was to investigate the Picture Exchange Communication System (PECS) and a speech-generating device (SGD) in developing requesting skills, social-communicative behavior, and speech for three elementary-age children with severe autism and little to no functional speech. Requesting was selected as the…
Descriptors: Nonverbal Communication, Augmentative and Alternative Communication, Autism, Teaching Methods