One year after the first evaluation, teachers rated 18 hearing impaired children on their frequency of use of the Signed English markers. On the average, the group showed a slight improvement in their use of the marker system. Additionally, frequency of use of each of the 14 markers was also rated by the teachers. (Author)

To expand sign language for simultaneous use along with fingerspelling and speech, signs were created for English terms frequently used in the classroom. Those signs judged very good or excellent in clarity and appearance were retained and selected ones taught by closed circuit television to Gallaudet students. Entering preparatory students…

Presented are rules of sign language structure which have provided a framework for linguistic analysis in a project studying the acquisition of sign language by 10 deaf children of deaf parents. Two levels of rules are outlined: definition rules, which deal with definitions of terms used in the analysis and their relation to terms used in other…

Data on the natural acquisition of sign language occurring in deaf children of deaf parents were obtained through observation of 10 deaf children (9- to 75-months-old). Short biographical sketches were compiled for each S from the parents' family history. The children tested on a cortical audiometer as severely to profoundly hearing impaired. Over…

A test of morpheme-based concepts was administered to 67 deaf children (ages 5-11 years) who were exposed to Seeing Essential English (SEE--a visual English sign system). (Author)

The longitudinal study investigated the acquisition of question formation in spoken English and American Sign Language by two young hearing children of deaf parents. The linguistic environment of the children included varying amounts of exposure and interaction with normal speech and with the nonstandard speech of their deaf parents. (Author)

Reviewed are 40 years of research on the prosthesis of communication deficiencies using chimpanzees, and severely retarded or deaf children. (DB)