How do roots and suffixes influence reading of morphological pseudowords: A study of Italian children with dyslexia

Daniela Traficante, Stefania Marcolini, Alessandra Luci, Pierluigi Zoccolotti, Cristina Burani

Research output: Contribution to journalArticlepeer-review

38 Citations (Scopus)

Abstract

The study explored the different influences of roots and suffixes in reading aloud morphemic pseudowords (e.g., vetr-ezza, ‘‘glass-ness’’). Previous work on adults showed a facilitating effect of both roots and suffixes on naming times. In the present study, pseudoword stimuli including roots and suffixes in different combinations were administered to sixth-grade children with dyslexia (N=22) and skilled readers (N=44), matched for chronological age. Indeed, the sequential reading strategy of less proficient readers (particularly for pseudowords) should favour the emergence of differences between left and right constituents (root and suffix, respectively) in reading performance. Results showed that for both children with dyslexia and skilled young readers the onset of pronunciation depended exclusively on roots,while there was no significant effect of suffixes. However, both roots and suffixes led to higher levels of accuracy than matched orthographic strings of letters. Posthoc regression analyses confirmed the morphological nature of the root and suffix effects, over and above the effects of the frequency of their orthographic patterns. Results indicate that the position of the reading units within the letter string, as well as their differential effects on latencies and accuracy, should be taken into account by models of morphological processing inword recognition and reading and by applied intervention research
Original languageEnglish
Pages (from-to)777-793
Number of pages17
JournalLanguage and Cognitive Processes
Volume26
DOIs
Publication statusPublished - 2011

Keywords

  • Dyslexia
  • Morphology
  • Reading

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