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…