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Sam, A. – National Professional Development Center on Autism Spectrum Disorders, 2016
Similar to sign language and picture boards, Picture Exchange Communication System (PECS) is an augmentative and alternative communication (AAC) system. AAC systems are used to help individuals who do not have typical verbal skills to communicate with others. PECS is a behavior based intervention that teaches the learner to use visual-graphic…
Descriptors: Autism, Pervasive Developmental Disorders, Pictorial Stimuli, Augmentative and Alternative Communication