Eye movement control during reading: II. Frequency of refixating a word

G W McConkie, P W Kerr, M D Reddix, D Zola, A M Jacobs, G W McConkie, P W Kerr, M D Reddix, D Zola, A M Jacobs

Abstract

An analysis of over 40,000 eye fixations made by college students during reading indicates that the frequency of immediately refixating a word following an initial eye fixation on it varies with the location of that fixation. The refixation frequency is lowest near the center of the word, positively accelerating with distance from the center. The data are well fit by a parabolic function. Assuming that refixation frequency is related to the frequency of successful word identification, the observed curvilinear relation results naturally from models that postulate a linear decrease in visual information with retinal eccentricity. A single letter difference in fixation location in a word can make a sizeable difference in the likelihood of refixating that word. The effects of word length and cultural frequency on the frequency of refixating are also examined.

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Source: PubMed

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