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…

The present study examined the effects of communication mode (oral vs. oral plus manual) and level of communicative competence (high vs. low) on profoundly deaf preschool children's play interactions with their hearing mothers. The sample consisted of 28 dyads equally divided into groups of oral and simultaneous (oral plus manual) communicators…