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  • Title: The Picture Exchange Communication System.
    Author: Bondy A, Frost L.
    Journal: Behav Modif; 2001 Oct; 25(5):725-44. PubMed ID: 11573337.
    Abstract:
    The Picture Exchange Communication System (PECS) is an alternative/augmentative communication system that was developed to teach functional communication to children with limited speech. The approach is unique in that it teaches children to initiate communicative interactions within a social framework. This article describes the advantages to implementing PECS over traditional approaches. The PECS training protocol is described wherein children are taught to exchange a single picture for a desired item and eventually to construct picture-based sentences and use a variety of attributes in their requests. The relationship of PECS's implementation to the development of speech in previously nonvocal students is reviewed.
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