Purpose: Manual sign is a common alternative mode of communication taught to children with childhood apraxia of speech (CAS). Gesture use is positively related to later increases in vocabulary and syntactic complexity in typical development, but there is little evidence supporting the use of manual sign for children with CAS. We sought to identify…

Shows that 17 kindergarten children receiving sign language instruction tested significantly higher on the Peabody Picture Vocabulary Test than 17 kindergartners receiving no such instruction. The study's findings confirm that simultaneously presenting words visually, kinesthetically, and orally offers an advantage to young learners. (23…