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McLean, Lee K.; Brady, Nancy C.; McLean, James E.; Behrens, Gene Ann – Journal of Speech, Language, and Hearing Research, 1999
This study of the forms and functions of expressive communication produced by 84 children and adults with severe mental retardation found significant differences among participants associated with differences in their communication levels (contact gesture, distal gesture, or symbolic), age (child or adult), and residential status (community home…
Descriptors: Adults, Age Differences, Children, Communication Disorders