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Hodges, Patricia; Schwethelm, Bettina – Applied Psycholinguistics, 1984
Describes a study in which two nonspeech communication systems were evaluated with respect to their efficacy for use with profoundly retarded nonspeech children. Results show that 53 profoundly retarded children who have failed to acquire expressive linguistic skills can succeed with some alternative nonspeech symbol systems, especially with…
Descriptors: American Sign Language, Children, Language Handicaps, Manual Communication

Reilly, Judy Snitzer; And Others – Applied Psycholinguistics, 1990
Examines the acquisition of conditional sentences in American Sign Language (which entail the use of both manual signs and grammaticized nonmanual facial expressions) by deaf children. The results indicate that children first acquire manual conditional signs before they employ obligatory grammaticized facial expressions, and also acquire manual…
Descriptors: American Sign Language, Deafness, Expressive Language, Facial Expressions