Journal
RESEARCH IN AUTISM SPECTRUM DISORDERS
Volume 7, Issue 8, Pages 973-983Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.rasd.2013.04.003
Keywords
Picture Exchange Communication System; PECS; AAC; Augmentative and alternative communication; Autism; Single-case research
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We investigated the efficacy of a tablet-computer-based Picture Exchange Communication System (PECS) application for use with three preschoolers with ASD and investigated participant preference for the app versus traditional PECS (i.e., with a physical communication book) once the participants demonstrated minimal levels of mastery of both. We implemented a single-case multiple baseline design to determine the efficacy of the app. Results indicated that participants rapidly demonstrated above-chance level mastery of the app. Following mastery, two participants demonstrated a preference for the app, while the other preferred the traditional PECS communication book. (C) 2013 The Authors. Published by Elsevier Ltd. All rights reserved.
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