1. Copyright © American Speech-Language-Hearing Association
From: First-Language Acquisition After Childhood Differs From Second-Language Acquisition:  The Case of American Sign Language
J Speech Hear Res. 1993;36(6): doi: /jshr
Legend:
The mean proportion of phonological and semantic-lexical substitutions produced by the subjects during sentence recall as a function of age of ASL acquisition and first versus second language acquisition (for total substitutions produced by each subject summed across all responses).
Date of download: 11/12/2017
Copyright © American Speech-Language-Hearing Association