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Direct linkGanz, Jennifer B.; Davis, John L.; Lund, Emily M.; Goodwyn, Fara D.; Simpson, Richard L. – Research in Developmental Disabilities: A Multidisciplinary Journal, 2012
The Picture Exchange Communication System (PECS) is a widely used picture/icon aided augmentative communication system designed for learners with autism and other developmental disorders. This meta-analysis analyzes the extant empirical literature for PECS relative to targeted (functional communication) and non-targeted concomitant outcomes…
Descriptors: Participant Characteristics, Multiple Disabilities, Mental Retardation, Autism
Lang, Russell; Mulloy, Austin; Giesbers, Sanne; Pfeiffer, Brooke; Delaune, Elizabeth; Didden, Robert; Sigafoos, Jeff; Lancioni, Giulio; O'Reilly, Mark – Research in Developmental Disabilities: A Multidisciplinary Journal, 2011
We conducted a systematic analysis of studies that involved the treatment of rumination and operant vomiting in individuals with developmental disabilities. A total of 21 studies involving a combined 32 participants were identified and analyzed in terms of (a) participant characteristics, (b) dependent variables, (c) intervention procedures, (d)…
Descriptors: Evidence, Participant Characteristics, Behavior Problems, Intervention
