Benefits of augmentative signs in word learning: Evidence from children who are deaf/hard of hearing and children with specific language impairment

摘要

Background: Augmentative signs may facilitate word learning in children with vocabulary difficulties, for example, children who are Deaf/Hard of Hearing (DHH) and children with Specific Language Impairment (SLI). Despite the fact that augmentative signs may aid second language learning in populations with a typical language development, empirical evidence in favor of this claim is lacking.