Effects of Word Attributes on Kanji Spelling Performance in Children and Adolescents with Developmental Dyslexia

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  • Yokoi Mio
    National Rehabilition Center for Persons with Disabilities LD/Dyslexia Centre
  • Sambai Ami
    LD/Dyslexia Centre Faculty of Human Sciences, University of Tsukuba
  • Uno Akira
    LD/Dyslexia Centre Faculty of Human Sciences, University of Tsukuba

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  • 発達性読み書き障害のある児童および生徒の漢字書字成績に影響する文字属性について

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Abstract

<p>The purpose of this study was to investigate the effects of attributes of single kanji characters, such as number of strokes, imageability, number of neighbors, and reading and writing frequency, on the spelling performance of children and adolescents with developmental dyslexia. As we were unable to find appropriate values for writing frequency for children in Japan, in experiment 1 we investigated how often children write each kanji character using a questionnaire given to elementary school teachers. <br>Results of a binomial logistic regression analysis indicated that for the kanji characters learned by 2nd grade children, spelling performance is significantly better when the kanji are characterized by fewer strokes, higher writing and reading frequency, or higher imageability. In the same way, among kanji characters learned by 3rd grade children, those with fewer strokes, fewer neighbors, high imageability, or high reading frequency were also spelled significantly better.</p>

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