Explores the predictors of early mastery versus error in children's acquisition of American Sign Language. Hypothesizes that the most frequent values for a particular parameter in prelinguistic gesture will be the most frequent in early signs and the most likely sources of substitution when children make errors. (Author/VWL)

Investigates the differences in the use of certain verbs of movement and location between native ASL learners and children of hearing parents exposed to signing outside the home. Describes the children's use of phonology, morphology, and syntax in repeating target utterances. Relates results to interaction of language acquisition and motor…

A study of the signing of six deaf preschoolers found that they produced phonological and morphological errors, and semantic overgeneralizations, comparable to those made by hearing children when learning to speak. This suggests that deaf children actively construct sign language rules in the same way that hearing children build up the rules of…