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Peer reviewedMarchman, Virginia A.; Wulfeck, Beverly; Weismer, Susan Ellis – Journal of Speech, Language, and Hearing Research, 1999
Comparison of English past-tense productivity in 31 school-age children with specific language impairment (SLI) and 31 children with no language (NL) impairment found SLI children made more errors, with a greater proportion resulting from overuse of unmarked grammatical forms (e.g., "go") than from suffixation (e.g., "goed"). Children with SLI…
Descriptors: Children, Elementary Education, Expressive Language, Language Acquisition
