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Peer reviewedSevcik, Rose A.; Romski, Mary Ann – Augmentative and Alternative Communication, 1986
Eight severely retarded subjects (ages 9-22), four with functional language and four without, performed identity and nonidentity matching tasks employing objects, photographs, and line drawings. As representational complexity increased, greater difficulty in matching stimuli was observed in the nonfunctional language group, with line drawings…
Descriptors: Cognitive Processes, Concept Formation, Discrimination Learning, Elementary Secondary Education
Peer reviewedOsguthorpe, Russell T.; Li Chang, Linda – Augmentative and Alternative Communication (AAC), 1988
A computerized symbol processor system using an Apple IIe computer and a Power Pad graphics tablet was tested with 22 nonspeaking, multiply disabled students. The students were taught to express themselves independently in writing, and they did significantly better than control students on measures of language comprehension and symbol recognition.…
Descriptors: Communication Aids (for Disabled), Communication Disorders, Communication Skills, Computer Graphics
