Comparison of written and spoken language from deaf and hearing children at five age levels

This dissertation compares oral and written language development in hearing and deaf children. The study applies grammatical, lexical and syntactical measures to describe and analyze the differences in language development in groups of hearing and orally-taught hearing-impaired children and to relate these findings to chronological age.

Grammatical analysis of spoken language samples from deaf and hearing adolescents

This paper reviews a study to determine whether language delays in hearing impaired children are permanent.