“…We measured text comprehension, mindwandering, and metacognitive calibration. Besides, we measured a comprehensive set of covariates to control for their potential influence on comprehension ( Ackerman & Lauterman, 2012 ; Daneman & Merikle, 1996 ; Guthrie, Klauda, & Ho, 2013 ; Hidi, 2001 ; Naumann, 2015 ; Ozuru, Dempsey, & McNamara, 2009 ) and mindwandering ( Feng et al, 2013 ; Fulmer, D'Mello, Strain, & Graesser, 2015 ; Kane & McVay, 2012 ; Randall, Oswald, & Beier, 2014 ; Unsworth & McMillan, 2013 ; Xu & Metcalfe, 2016 ). Our hypotheses were: - Participants reading on screen will mindwander more than those reading the printed text, regardless of time pressure.
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