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Leonard, Laurence B. – First Language, 2019
There is growing evidence that the grammatical errors reflected in the speech of young children are often related to the nature of the input in the ambient language. Although theoretical frameworks differ in the degree to which input plays a role, there is acknowledgment that children require more input than previously assumed to resolve apparent…
Descriptors: Syntax, Morphemes, Children, Language Impairments
Deevy, Patricia; Leonard, Laurence B. – Journal of Speech, Language, and Hearing Research, 2018
Purpose: This study tested children's sensitivity to tense/agreement information in fronted auxiliaries during online comprehension of questions (e.g., "Are the nice little dogs running?"). Data from children with developmental language disorder (DLD) were compared to previously published data from typically developing (TD) children…
Descriptors: Preschool Children, Language Impairments, Developmental Disabilities, Syntax
Leonard, Laurence B. – First Language, 2016
Noun-related morphosyntax has not been emphasized in the literature on children with specific language impairment (SLI), yet, across languages, problems in this area are quite apparent. This review is designed to highlight noun-related difficulties that seem to be especially troublesome for these children. A review of the research literature on…
Descriptors: Nouns, Morphology (Languages), Syntax, Language Impairments
Gladfelter, Allison; Leonard, Laurence B. – Journal of Speech, Language, and Hearing Research, 2013
Purpose: P. A. Hadley and H. Short (2005) developed a set of measures designed to assess the emerging diversity and productivity of tense and agreement (T/A) morpheme use by 2-year-olds. The authors extended 2 of these measures to the preschool years to evaluate their utility in distinguishing children with specific language impairment (SLI) from…
Descriptors: Grammar, Preschool Children, Morphemes, Speech Communication

Leonard, Laurence B.; And Others – Applied Psycholinguistics, 1988
Analysis of the spontaneous speech of English- and Italian-speaking children with specific language impairment indicated that word-final consonants adversely influenced Italian subjects' tendency to use articles. There was no evidence of syntactic differences between the language groups. (Author/CB)
Descriptors: Child Language, Children, Comparative Analysis, Consonants