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A Systematic Review of Acquisition and Mastery of Skills Taught Using the Picture Exchange Communication System
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Heather J. Forbes; Jason C. Travers; Jenee Vickers Johnson – Augmentative and Alternative Communication, 2024
The Picture Exchange Communication System (PECS) is a popular augmentative and alternative communication intervention for individuals with developmental disabilities that includes six, sequential phases of instruction. We systematically reviewed published and unpublished single-case PECS studies for details about the percentage of participants…
Descriptors: Augmentative and Alternative Communication, Developmental Disabilities, Pictorial Stimuli, Program Effectiveness
Participant Characteristics Predicting Communication Outcomes in AAC Implementation for Individuals with ASD and IDD: A Systematic Review and Meta-Analysis
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Ganz, J. B.; Pustejovsky, James E.; Reichle, Joe; Vannest, Kimberly J.; Foster, Margaret; Pierson, Lauren M.; Wattanawongwan, Sanikan; Bernal, Armando J.; Chen, Man; Haas, April N.; Liao, Ching-Yi; Sallese, Mary Rose; Skov, Rachel; Smith, S. D. – Augmentative and Alternative Communication, 2023
This meta-analysis examined communication outcomes in single-case design studies of augmentative and alternative communication (AAC) interventions and their relationship to participant characteristics. Variables addressed included chronological age, pre-intervention communication mode, productive repertoire, and pre-intervention imitation skills.…
Descriptors: Augmentative and Alternative Communication, Intervention, Age Differences, Individual Characteristics