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Effects of Iconicity on Requesting with the Picture Exchange Communication System in Children with Autism Spectrum Disorder
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Angermeier, Katie; Schlosser, Ralf W.; Luiselli, James K.; Harrington, Caroline; Carter, Beth – Research in Autism Spectrum Disorders, 2008
Research on graphic symbol learning suggests that symbols with a greater visual resemblance to their referents (greater iconicity) are more easily learned. The iconicity hypothesis has not yet been explored within the intervention protocol of the Picture Exchange Communication System (PECS). Within the PECS protocol, participants do not point to a…
Descriptors: Children, Pervasive Developmental Disorders, Outcomes of Treatment, Program Effectiveness