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Kahn, James V. – Education and Training in Mental Retardation and Developmental Disabilities, 1996
This longitudinal study first administered the Uzgiris and Hunt scales (to predict learning of manual signs) to 34 children (mean age 5) with severe and profound mental retardation. Evaluation four years later indicated that achievement of stage five on the Uzgiris and Hunt scales was necessary for even minimal learning and use of manual signs.…
Descriptors: Augmentative and Alternative Communication, Cognitive Ability, Communication Skills, Developmental Stages

Parette, Howard P.; Huer, Mary Blake; Brotherson, Mary Jane – Education and Training in Mental Retardation and Developmental Disabilities, 2001
This article describes a preliminary information-gathering activity that examined 37 professionals' perceptions of their roles and that of families in the augmentative and alternative communication processes. Transcripts of proceedings were analyzed, and perceptions were organized around five themes: communication style, specific information…
Descriptors: Assistive Devices (for Disabled), Augmentative and Alternative Communication, Cultural Awareness, Cultural Influences