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Word frequency, predictability, and return-sweep saccades: Towards the modeling of eye movements during paragraph reading.

Parker, A. and Slattery, T.J., 2019. Word frequency, predictability, and return-sweep saccades: Towards the modeling of eye movements during paragraph reading. Journal of Experimental Psychology: Human Perception and Performance, 45 (12), 1614-1633.

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DOI: 10.1037/xhp0000694

Abstract

Models of eye movement control during reading focus on the reading of single lines of text. Within these models, word frequency and predictability are important input variables which influence fixation probabilities and durations. However, a comprehensive model of eye movement control will have to account for readers' eye movements across multiline texts. Line-initial words are unlike those presented midline; they are routinely unavailable for parafoveal preprocessing. Therefore, it is unclear whether and how word frequency and predictability influence reading times on line-initial words. To address this, we present an analysis of the Provo Corpus (Luke & Christianson, 2018) followed by a novel eye-movement experiment. We conclude that word frequency and predictability impact single-fixation and gaze durations on line-initial words. We also observed that return-sweep error (undersweep-fixations) may, among several other possibilities, allow for parafoveal processing of line-initial words prior to their direct fixation. Implications for models of eye movement control during reading are discussed. (PsycINFO Database Record (c) 2019 APA, all rights reserved).

Item Type:Article
ISSN:0096-1523
Uncontrolled Keywords:eye movements; predictability; word frequency; return-sweeps; reading
Group:Faculty of Science & Technology
ID Code:32802
Deposited By: Unnamed user with email symplectic@symplectic
Deposited On:23 Sep 2019 13:03
Last Modified:09 Dec 2019 16:05

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