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  • Title: On the sensitivity and specificity of nonword repetition and sentence recall to language and memory impairments in children.
    Author: Archibald LM, Joanisse MF.
    Journal: J Speech Lang Hear Res; 2009 Aug; 52(4):899-914. PubMed ID: 19403945.
    Abstract:
    PURPOSE: The present study examined the utility of 2 measures proposed as markers of specific language impairment (SLI) in identifying specific impairments in language or working memory in school-age children. METHOD: A group of 400 school-age children completed a 5-min screening consisting of nonword repetition and sentence recall. A subset of low (n = 52) and average (n = 38) scorers completed standardized tests of language, short-term and working memory, and nonverbal intelligence. RESULTS: Approximately equal numbers of children were identified with specific impairments in either language or working memory. A group about twice as large had deficits in both language and working memory. Sensitivity of the screening measure for both SLI and specific working memory impairments was 84% or greater, although specificity was closer to 50%. Sentence recall performance below the 10th percentile was associated with sensitivity and specificity values above 80% for SLI. CONCLUSIONS: Developmental deficits may be specific to language or working memory, or include impairments in both areas. Sentence recall is a useful clinical marker of SLI and combined language and working memory impairments.
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