Derivational morphology and spelling in dyslexia

Styliani N. Tsesmeli, Philip H.K. Seymour

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

This exploratory study aimed to evaluate the spelling of derived words by dyslexic adolescents and to verify whether this is associated with lack of vocabulary and/or morphological knowledge. A cross-sectional reading level-design was employed in order to determine differences in spelling, derivational morphology and vocabulary tasks between dyslexic students aged 13+ and age-matched and reading level matched control groups. The study confirmed a profound spelling impairment of dyslexic students in comparison with two control groups but this was not associated with poor vocabulary in relation with their age-peers. In contrast, they exhibited lower levels of morphological knowledge than age-matched controls but equivalent with the reading level controls. These results are interpreted in the light of current developmental models of spelling that support a reciprocal interaction between spelling and metamorphology.

Original languageEnglish
Pages (from-to)587-625
Number of pages39
JournalReading and Writing
Volume19
Issue number6
DOIs
Publication statusPublished - Aug 2006

Keywords

  • Derivational Morphology
  • Dyslexia
  • Spelling

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