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Peer reviewedRomski, Mary Ann; And Others – Journal of Speech and Hearing Disorders, 1988
Three of four severely retarded adolescents and young adults learned to use computer-based lexigrams to request foods and, subsequently, objects. Additional request experience with lexigrams resulted in consistent improvement on labeling and comprehension tasks, emergence of subject-initiated lexigram communications, and facilitation of spoken…
Descriptors: Assistive Devices (for Disabled), Communication Aids (for Disabled), Communication Skills, Computer Uses in Education
Peer reviewedSutherland, Rosamund; Rojano, Teresa – Journal of Mathematical Behavior, 1993
This longitudinal study investigated the ways in which two groups of eight students used spreadsheets to represent and solve algebra problems and related this to their previous arithmetical experiences and evolving use of symbolic language. The spreadsheet environment supported students to move from specific to general thinking. Includes story…
Descriptors: Algebra, Case Studies, Computer Uses in Education, Concept Formation
