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Patel, Rupal; Schooley, Katherine; Wilner, Jessica – Assistive Technology Outcomes and Benefits, 2007
Research on AAC symbols has focused almost exclusively on iconicity and complexity, and thus has not established whether additional visual features are necessary for conveying meaning in graphic representations. Despite variations in individual depictions of an "apple," we understand the underlying concept due to shared consensus on the set of…
Descriptors: Augmentative and Alternative Communication, Visual Aids, Artists, Semantics
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Patel, Rupal; Schooley, Katherine; Radhakrishnan, Rajiv – Assistive Technology Outcomes and Benefits, 2006
Two prototype voice output communication aids were implemented to compare methods of graphic symbol message formulation; one emulated current devices that require syntactical ordering of icons (Default) and the other used semantic frames (iconCHAT). Message constructions of eight typically developing children (7-10 years of age) using both…
Descriptors: Semantics, Syntax, Assistive Technology, Comparative Analysis