The British journal of educational psychology · 2016
The effects of letter spacing and coloured overlays on reading speed and accuracy in adult dyslexia.
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Sjoblom Amanda M, Eaton Elizabeth, Stagg Steven D
Аннотация
BACKGROUND: Zorzi et al. (2012, Proc. Natl. Acad. Sci. U.S.A., 109, 11455) found evidence that extra-large letter spacing aids children with dyslexia, but the evidence for the coloured overlays is contradictory (e.g., Henderson et al., 2013, J. Res. Special Educ. Needs, 13, 57; Wilkins, 2002, Ophthalmic Physiol. Opt., 22, 448), and possible combined advantages have not been identified.
AIMS: To investigate whether extra-large letter spacing or coloured overlays can alleviate reading problems in dyslexic adults.
SAMPLE: The participants were 24 dyslexic and 24 non-dyslexic university students, matched for age and fluid intelligence.
METHODS: The reading speed and the errors made by a dyslexic and a control group were measured in four conditions: with and without coloured overlays and with normally and largely spaced texts.
RESULTS: Large letter spacing improves the reading speed in general, as well as improves the reading accuracy in dyslexic readers.
CONCLUSIONS: The results support the positive effect of letter spacing on reading performance.
AIMS: To investigate whether extra-large letter spacing or coloured overlays can alleviate reading problems in dyslexic adults.
SAMPLE: The participants were 24 dyslexic and 24 non-dyslexic university students, matched for age and fluid intelligence.
METHODS: The reading speed and the errors made by a dyslexic and a control group were measured in four conditions: with and without coloured overlays and with normally and largely spaced texts.
RESULTS: Large letter spacing improves the reading speed in general, as well as improves the reading accuracy in dyslexic readers.
CONCLUSIONS: The results support the positive effect of letter spacing on reading performance.