Reports on a study that tests the hypothesis that simultaneous speech-sign instruction is beneficial for learning for a hearing but language-delayed child. The hypothesis assumes that the child would first demonstrate a preference for sign in labeling vocabulary items but would eventually drop the sign supplement as vocabulary became less…

Study indicates that hearing impaired residential students are more proficient users of American Sign Language than are hearing impaired children enrolled in local, public school programs, and older such residential students are more proficient in the language than are younger students. (SL)

Describes code shifting study in communicative behavior of hearing child interacting with deaf child and mother, both of whom signed. Hearing child knew signing, but did not sign at home. Although communication change occurred, code shifting was influenced more by motivational variables and by hearing child's own flexibility with language than by…