Screening for Language Delay: Growth Trajectories of Language Ability in Low- and High-Performing Children
Purpose: This study investigated the stability and growth of preschool language skills and explores latent class analysis as an approach for identifying children at risk of language impairment. Method: The authors present data from a large-scale 2-year longitudinal study, in which 600 children were...
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Veröffentlicht in: | Journal of speech, language, and hearing research language, and hearing research, 2016-10, Vol.59 (5), p.1035-1045 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Purpose: This study investigated the stability and growth of preschool language skills and explores latent class analysis as an approach for identifying children at risk of language impairment. Method: The authors present data from a large-scale 2-year longitudinal study, in which 600 children were assessed with a language-screening tool (LANGUAGE4) at age 4 years. A subsample (n = 206) was assessed on measures of sentence repetition, vocabulary, and grammatical knowledge at ages 4, 5, and 6 years. Results: A global latent language factor showed a high degree of longitudinal stability in children between the ages of 4 to 6 years. A low-performing group showing a language deficit compared to their age peers at age 4 was identified on the basis of the LANGUAGE4. The growth-rates during this 2-year time period were parallel for the low-performing and 3 higher performing groups of children. Conclusions: There is strong stability in children's language skills between the ages of 4 and 6 years. The results demonstrate that a simple language screening measure can successfully identify a low-performing group of children who show persistent language weaknesses between the ages of 4 and 6 years. |
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ISSN: | 1092-4388 1558-9102 1558-9102 |
DOI: | 10.1044/2016_JSLHR-L-15-0289 |