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Universal Access in the Information Society
Erschienen in: Universal Access in the Information Society 1/2017

20.11.2015 | Long paper

How to present more readable text for people with dyslexia

verfasst von: Luz Rello, Ricardo Baeza-Yates

Erschienen in: Universal Access in the Information Society | Ausgabe 1/2017

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Abstract

The presentation of a text has a significant effect on the reading speed of people with dyslexia. This paper presents a set of recommendations to customize texts on a computer screen in a more accessible way for this target group. This set is based on an eye tracking study with 92 people, 46 with dyslexia and 46 as control group, where the reading performance of the participants was measured . The following parameters were studied: color combinations for the font and the screen background, font size, column width as well as character, line and paragraph spacings. It was found that larger text and larger character spacings lead the participants with and without dyslexia to read significantly faster . The study is complemented with questionnaires to obtain the participants’ preferences for each of these parameters, finding other significant effects. These results provide evidence that people with dyslexia may benefit from specific text presentation parameters that make text on a screen more readable. So far, these recommendations based on eye tracking data are the most complete for people with dyslexia.
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Fußnoten
1
Words with no consistent correspondence between grapheme and phoneme, e.g., vase pronounced as /vāz/.
 
2
A nonword is a word that has no meaning, is not known to exist, or is disapproved.
 
3
Functional words are words that have little lexical meaning, but instead serve to express grammatical relationships with other words within a sentence.
 
6
The CYMK code for the colors and their contrast are shown in “Appendix 1.”
 
7
Although there are others units that can be used, the simplest is to use a percentage of the current font size.
 
8
Los Encuentros del Caracol Aventurero (The Encounters of the Adventurous Snail) by Federico García Lorca.
 
9
From the book Soy dix-leso? (I am dys-dumb?) of the Papelucho series by Marcela Paz. This text example is given in “Appendix 2.”
 
10
The fonts tested were: Arial, Arial Italic, Computer Modern Unicode, Courier, Garamond, Helvetica, Myriad, OpenDyslexic, OpenDyslexic Italic, Times, Times Italic and Verdana [79].
 
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Metadaten
Titel
How to present more readable text for people with dyslexia
verfasst von
Luz Rello
Ricardo Baeza-Yates
Publikationsdatum
20.11.2015
Verlag
Springer Berlin Heidelberg
Erschienen in
Universal Access in the Information Society / Ausgabe 1/2017
Print ISSN: 1615-5289
Elektronische ISSN: 1615-5297
DOI
https://doi.org/10.1007/s10209-015-0438-8

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