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)

Two experiments compared signed and written stories by deaf 7- to 15-year-olds with oral and written stories by hearing age-mates. Found that the signed and oral stories had similar discourse structures as indicated by patterns of causal goal-action-outcome episodes. The grammatical and lexical character of deaf students' written stories lagged…