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Emily N. White; Rachel R. Cagliani; Kelsie M. Tyson – Focus on Autism and Other Developmental Disabilities, 2024
The current study examined vocalizations that occurred during training of the Picture Exchange Communication System for three U.S. preschool-age participants with autism spectrum disorder. In Phase IV, the protocol incorporates a delay to reinforcement in an effort to encourage vocalizations; however, the manual does not suggest additional…
Descriptors: Preschool Children, Autism Spectrum Disorders, Assistive Technology, Augmentative and Alternative Communication
Lorah, Elizabeth R. – Focus on Autism and Other Developmental Disabilities, 2018
There has been an increased interest in research evaluating the use of handheld computing technology as speech-generating devices (SGD) for children with autism. However, given the reliance on single-subject research methodology, replications of these investigations are necessary. This study presents a replication with variation, of a method for…
Descriptors: Autism, Pervasive Developmental Disorders, Handheld Devices, Child Behavior
Sulzer-Azaroff, Beth; Hoffman, Anne O.; Horton, Catherine B.; Bondy, Andrew; Frost, Lori – Focus on Autism and Other Developmental Disabilities, 2009
Originally designed to enable young children with autism lacking functional communication to initiate requests and to describe what they observed, the Picture Exchange Communication System (PECS) has been the subject of an ever-expanding body of research and development. Thirty-four peer-reviewed published reports on PECS are analyzed in this…
Descriptors: Research and Development, Autism, Assistive Technology, Augmentative and Alternative Communication