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Perspectives on Augmentative and Alternative Communication, 21, 3-10. Abstract: The Picture Exchange Communication System (PECS) is an evidence-based AAC system that often is chosen as a first intervention for young children with complex communication needs who are...
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Perspectives on Augmentative and Alternative Communication, 20, 114-120. Abstract : The Picture Exchange Communication System (PECS) is used to systematically teach functional communication through an evidence-based protocol. As a low-tech AAC system, PECS differs...