The study of effects of mode (manual only, manual plus oral, and manual plus oral plus aural) and language (Signed English or American Sign Language) on the comprehension of deaf students (mean age 16 years) found no significant treatment effect for mode of presentation; there was an interaction between languages and mode. (Author/DB)

Simultaneous communication used by four teachers in formal lessons was investigated, to determine the extent to which signs and speech matched and to delineate factors predicting communication behavior. Simultaneous communication was found to be sign-driven or speech-driven depending on factors such as student comprehension, teacher's expertise,…