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The influence of neighborhood density and word frequency on phoneme awareness in 2nd and 4th grades
Hogan, Tiffany P. Bowles, Ryan P. Catts, Hugh W. Storkel, Holly L.
Hogan, Tiffany P.
Bowles, Ryan P.
Catts, Hugh W.
Storkel, Holly L.
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Abstract
Purpose
The purpose of this study was to test the hypothesis that two lexical characteristics – neighborhood density and word frequency – interact to influence performance on phoneme awareness tasks.
Methods
Phoneme awareness was examined in a large, longitudinal dataset of 2nd and 4th grade children. Using linear logistic test model, the relation between words’ neighborhood density, word frequency, and phoneme awareness performance was examined across grades while co-varying type and place of deletion.
Results
A predicted interaction was revealed: words from dense neighborhoods or those with high frequency were more likely to yield correct phoneme awareness responses across grades.
Conclusions
Findings support an expansion of the lexical restructuring model to include interactions between neighborhood density and word frequency to account for phoneme awareness.
Description
This is the author's accepted manuscript. The original publication is available at http://www.sciencedirect.com/science/article/pii/S0021992410000614
Date
2011
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Elsevier
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Citation
Hogan, Tiffany P., Ryan P. Bowles, Hugh W. Catts, and Holly L. Storkel. "The Influence of Neighborhood Density and Word Frequency on Phoneme Awareness in 2nd and 4th Grades." Journal of Communication Disorders 44.1 (2011): 49-58. http://dx.doi.org/10.1016/j.jcomdis.2010.07.002.