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Article: Differentiating specific language impairment from normal language development using grammatical analysis

TitleDifferentiating specific language impairment from normal language development using grammatical analysis
Authors
KeywordsGrammatical analysis
Specific language impairment
LARSP
Child language impairment
Clinical assessment
Issue Date1993
Citation
Clinical Linguistics and Phonetics, 1993, v. 7, n. 3, p. 191-206 How to Cite?
AbstractThe present investigation sought to determine whether preschool children with specific language impairment (SLI) could be differentiated from an age-matched sample of typically developing children on the basis of grammatical features displayed within a 20-min sample of conversational language. Language samples from 47 children, 24-50 months of age, described in a previous study (Klee, Schaffer, May, Membrino and Mougey (1989) were analysed using the LARSP framework (Crystal, Fletcher and Garman, 1989). Composite variables were created from the original LARSP categories and transformed into ratios to adjust for the differing number of utterances in each transcript. A discriminant function which optimized the differences between the two groups was then derived from the grammatical analysis. In addition to age and a constant, the function contained three linguistic variables: stage I-major utterances, three-element NPs and VP errors. The outcomes of the discriminant function and the clinical diagnosis were in agreement in 91·5% of the cases. The predictive validity of the discriminant function was then evaluated in a field test employing a second sample of children (n = 37). The outcome of the discriminant function concurred with the clinical diagnosis in 86·5% of the new cases. © 1993 Informa UK Ltd All rights reserved: reproduction in whole or part not permitted.
Persistent Identifierhttp://hdl.handle.net/10722/221404
ISSN
2015 Impact Factor: 0.617
2015 SCImago Journal Rankings: 0.483

 

DC FieldValueLanguage
dc.contributor.authorGavin, WJ-
dc.contributor.authorKlee, T-
dc.contributor.authorMembrino, I-
dc.date.accessioned2015-11-19T03:36:53Z-
dc.date.available2015-11-19T03:36:53Z-
dc.date.issued1993-
dc.identifier.citationClinical Linguistics and Phonetics, 1993, v. 7, n. 3, p. 191-206-
dc.identifier.issn0269-9206-
dc.identifier.urihttp://hdl.handle.net/10722/221404-
dc.description.abstractThe present investigation sought to determine whether preschool children with specific language impairment (SLI) could be differentiated from an age-matched sample of typically developing children on the basis of grammatical features displayed within a 20-min sample of conversational language. Language samples from 47 children, 24-50 months of age, described in a previous study (Klee, Schaffer, May, Membrino and Mougey (1989) were analysed using the LARSP framework (Crystal, Fletcher and Garman, 1989). Composite variables were created from the original LARSP categories and transformed into ratios to adjust for the differing number of utterances in each transcript. A discriminant function which optimized the differences between the two groups was then derived from the grammatical analysis. In addition to age and a constant, the function contained three linguistic variables: stage I-major utterances, three-element NPs and VP errors. The outcomes of the discriminant function and the clinical diagnosis were in agreement in 91·5% of the cases. The predictive validity of the discriminant function was then evaluated in a field test employing a second sample of children (n = 37). The outcome of the discriminant function concurred with the clinical diagnosis in 86·5% of the new cases. © 1993 Informa UK Ltd All rights reserved: reproduction in whole or part not permitted.-
dc.languageeng-
dc.relation.ispartofClinical Linguistics and Phonetics-
dc.subjectGrammatical analysis-
dc.subjectSpecific language impairment-
dc.subjectLARSP-
dc.subjectChild language impairment-
dc.subjectClinical assessment-
dc.titleDifferentiating specific language impairment from normal language development using grammatical analysis-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.3109/02699209308985557-
dc.identifier.scopuseid_2-s2.0-0027258133-
dc.identifier.volume7-
dc.identifier.issue3-
dc.identifier.spage191-
dc.identifier.epage206-

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