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Home Research Topics Gaze Contingent Experiments Risse & Kliegl (2014, JEP:HPP): Dissociating Preview Validity and Preview Difficulty in Parafoveal Processing of Word n+1 during Reading

Risse & Kliegl (2014, JEP:HPP): Dissociating Preview Validity and Preview Difficulty in Parafoveal Processing of Word n+1 during Reading

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Risse, S., & Kliegl, R. (2014).  Dissociating Preview Validity and Preview Difficulty in Parafoveal Processing of Word n+1 during Reading. Journal of Experimental Psychology: Human Perception and Performance, 40 (2), 653-668.

Abstract. Many studies have shown that previewing the next word n + 1 during reading leads to substantial processing benefit (e.g., shorter word viewing times) when this word is eventually fixated. However, evidence of such preprocessing in fixations on the preceding word n when in fact the information about the preview is acquired is far less consistent. A recent study suggested that such effects may be delayed into fixations on the next word n + 1 (Risse & Kliegl, 2012). To investigate the time course of parafoveal information-acquisition on the control of eye movements during reading, we conducted 2 gaze-contingent display-change experiments and orthogonally manipulated the processing difficulty (i.e., word fre- quency) of an n + 1  preview word and its validity relative to the target word. Preview difficulty did not affect fixation durations on the pretarget word n but on the target word n + 1 . In fact, the delayed preview-difficulty effect was almost of the same size as the preview benefit associated with the n + 1  preview validity. Based on additional results from quantile-regression analyses on the time course of the 2 preview effects, we discuss consequences as to the integration of foveal and parafoveal information and potential implications for computational models of eye guidance in reading.

 

DOI: 10.1037/a0034997

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Last Updated on Monday, 24 November 2014 20:55  

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