Vocabulary selection in augmentative and alternative communication

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Abstract
The purpose of this article is to review those factors influencing vocabulary selection and retention for persons who use augmentative and alternative communication systems. The vocabulary needs of literate individuals who are able to spell their messages are discussed separately from the needs of preliterate or nonliterate individuals who are unable to spell and must be supplied with extensive vocabularies to cover their communication requirements. Research regarding informants and informant tools in the vocabulary selection process is reviewed.