Finds that students in prekindergarten classes who received sign instruction tested significantly higher on the Peabody Picture Vocabulary Test than students in prekindergarten classes who did not receive sign instruction. Suggests that simultaneously presenting words visually, kinesically, and orally enhances a child's vocabulary development. (SR)

The purpose of this investigation was to assess the effect of American Sign Language (ASL) instruction on typical hearing kindergarten children's literacy in four specific areas: receptive English vocabulary, expressive English vocabulary, ASL ability, and English emergent reading level. The research was specifically modeled after a 1997 United…

Tracked one prekindergarten teacher's experience to determine whether a relationship exists between student outcomes and a teacher's ability to use sign language. Found enriching preschool curriculum with sign language improves hearing African American children's receptive English vocabulary and confirms research that simultaneously presenting…