Decoding skills in children with language impairment: contributions of phonological processing and classroom experiences.

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Decoding skills in children with language impairment: contributions of phonological processing and classroom experiences.

Am J Speech Lang Pathol. 2015 May;24(2):177-88

Authors: Tambyraja SR, Farquharson K, Logan JA, Justice LM

Abstract
PURPOSE: Children with language impairment (LI) often demonstrate difficulties with word decoding. Research suggests that child-level (i.e., phonological processing) and environmental-level (i.e., classroom quality) factors both contribute to decoding skills in typically developing children. The present study examined the extent to which these same factors influence the decoding skills of children with LI, and the extent to which classroom quality moderates the relationship between phonological processing and decoding.
METHOD: Kindergarten and first-grade children with LI (n = 198) were assessed on measures of phonological processing and decoding twice throughout the academic year. Live classroom observations were conducted to assess classroom quality with respect to emotional support and instructional support.
RESULTS: Hierarchical regression analyses revealed that of the 3 phonological processing variables included, only phonological awareness significantly predicted spring decoding outcomes when controlling for children's age and previous decoding ability. One aspect of classroom quality (emotional support) was also predictive of decoding, but there was no significant interaction between classroom quality and phonological processing.
CONCLUSIONS: This study provides further evidence that phonological awareness is an important skill to assess in children with LI and that high-quality classroom environments can be positively associated with children's decoding outcomes.

PMID: 25835599 [PubMed - indexed for MEDLINE]

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