Effectiveness of the PECS Phase III app and choice between the app and traditional PECS among preschoolers with ASD Academic Article uri icon


  • 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. 2013 The Authors. Published by Elsevier Ltd. All rights reserved.

published proceedings


altmetric score

  • 0.25

author list (cited authors)

  • Ganz, J. B., Hong, E. R., & Goodwyn, F. D.

citation count

  • 47

complete list of authors

  • Ganz, Jennifer B||Hong, Ee Rea||Goodwyn, Fara D

publication date

  • January 2013