For our students with ASD that have little or no functional speech, we must provide them with a functional alternative to communicate in keeping with the Communication Bill of Rights. Augmentative and alterntative communication (AAC) approaches for individuals with ASD have been designated as evidence-based including the picture exchange communication system (PECS) and use of speech-generating devices (SGDs). AAC approaches provide a means of functional communication "here and now". In addition, research has repeatedly demonstrated that AAC interventions improve speech while fostering development of language and literacy skills.
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