Wotschack & Kliegl (2012, QJEP). Reading strategy modulates parafoveal-on-foveal effects in sentence reading

Christiane Wotschack, Reinhold Kliegl

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Wotschak, C., & Kliegl, R. (2011, September 20). Reading strategy modulates parafoveal-on-foveal effects in sentence reading. Quarterly Journal of Experimental Psychology.

Task demands and individual differences have been linked reliably to word skipping during reading. Such differences in fixation probability may imply a selection effect for multivariate analyses of eye-movement corpora if selection effects correlate with word properties of skipped words. For example, with fewer fixations on short and highly frequent words the power to detect parafoveal-on-foveal effects is reduced. We demonstrate that increasing the fixation probability on function words with a manipulation of the expected difficulty and frequency of questions reduces an age difference in skipping probability (i.e., old adults become comparable to young adults) and helps to uncover significant parafoveal-on-foveal effects in this group of old adults. We discuss implications for the comparison of results of eye-movement research based on multivariate analysis of corpus data with those from display-contingent manipulations of target words.

Paper DOI: 10.1080/17470218.2011.625094