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Dissociating spatial and letter-based word length effects observed in readers' eye movement patterns

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Hautala, J., Hyönä, J., & Aro, M. (2011). Dissociating spatial and letter-based word length effects observed in readers' eye movement patterns. Vision Research, 51(15), 1719-1727. https://doi.org/10.1016/j.visres.2011.05.015
Published in
Vision Research
Authors
Hautala, Jarkko |
Hyönä, Jukka |
Aro, Mikko
Date
2011
Discipline
ErityispedagogiikkaPsykologiaSpecial EducationPsychology
Copyright
© 2011 Elsevier Ltd. This is an electronic final draft version of an article whose final and defenitive form has been published in Vision Research by Elsevier.

 
In previous eye movement research on word length effects, spatial width has been confounded with the number of letters. McDonald (2006) unconfounded these factors by rendering all words in sentences in constant spatial width. In the present study, the Arial font with proportional letter spacing was used for varying the number of letters while equating for spatial width, while the Courier font with monospaced letter spacing was used to measure the contribution of spatial width to the observed word length effect. Number of letters in words affected single fixation duration on target words, whereas words’ spatial width determined fixation locations in words and the probability of skipping a word. The results support the existence of distinct subsystems for deciding where and when to move eyes in text (Rayner & McConkie, 1976). The number-of-letters effect in fixation duration may be explained by visual acuity, visual crowding, and/or serial letter processing.
Publisher
Elsevier
ISSN Search the Publication Forum
0042-6989
Keywords
sanan pituus kirjainten lukumäärä sanan spatiaalinen leveys word length number of letters spatial width silmänliikkeet lukeminen
DOI
https://doi.org/10.1016/j.visres.2011.05.015
URI

http://urn.fi/URN:NBN:fi:jyu-2011112211709

Publication in research information system

https://converis.jyu.fi/converis/portal/detail/Publication/20728992

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