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Lloyd, Lyle L.; Fuller, Donald R. – Augmentative and Alternative Communication, 1986
The article reviews augmentative and alternative communication symbol classifications reported in the literature over the past decade. The "aided/unaided" dichotomy (based on user production of the symbol) is proposed as the superordinate level of classification, rather than the "static/dynamic" (based on transmission of…
Descriptors: Braille, Classification, Communication Disorders, Hearing Impairments