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| Kahn, James V. | 1 |
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Peer reviewedKahn, 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
