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Krok, Windi C.; Leonard, Laurence B. – Journal of Speech, Language, and Hearing Research, 2015
Purpose: This study examined the extent to which children with specific language impairment (SLI) across Germanic languages differ from their typically developing (TD) peers in the use of past tense morphology. Method: A systematic literature search identified empirical studies examining regular and/or irregular past tense production by English…
Descriptors: Meta Analysis, Speech Impairments, Language Impairments, Effect Size
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Leonard, Laurence B.; And Others – Language Acquisition, 1992
This investigation examined the possibility that features necessary for morphology, such as person and number, are absent from the underlying grammars of specifically language-impaired children. (46 references) (JL)
Descriptors: Children, Comparative Analysis, English, Grammar
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Bortolini, Umberta; Leonard, Laurence B.; Caselli, Maria Cristina – Language and Cognitive Processes, 1998
Children with specific language impairments (eight learning Italian, eight learning English as a first language) were studied for grammatical deficits. Italian-speakers used noun inflections, verb inflections, copula forms more than English-speaking counterparts, matched by utterance length. Articles were used similarly. Results were consistent…
Descriptors: Child Language, Children, Cognitive Processes, Comparative Analysis