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…

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…

Examines whether manually coded English (MCE) sign language systems are learnable. Reading achievement and expressive English skills of deaf students educated using only a MCE sign system were examined. Deaf students had expressive English skills comparable to hearing students in respect to syntactical and lexical skills but were deficient in…

Examines the differential mode usage (speech, vocalize, gesture and sign) of profoundly deaf preschoolers and their hearing mothers as a function of their level of communicative competence and method of communication. Relates simultaneous use of modes to higher communicative competence and specific pragmatic types of communication. (Author/MES)

A longitudinal study of the effect of mothers' communication modes on the language development of children (N=149) with severe or profound hearing loss indicated that children whose mothers used oral communication had higher scores on measures of spoken language, whereas children whose mothers used manual communication had higher scores on…

Reports on a longitudinal study of developing communication in two profoundly deaf preschool boys growing up in oral deaf families who use oral English as their primary language. Results provide a window on the natural ontogenesis of a compensatory gestural system. (Contains 44 references.) (JL)