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KMID : 1159320120140030213
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Korean Journal of Vision Science
2012 Volume.14 No. 3 p.213 ~ p.221
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Correlation between developmental eye movement and Visagraph 2 measurements
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Lee Kyu-Byung
Kim Heung-Soo
Mah Ki-Choong
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Abstract
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Purpose : To investigate whether DEM test were able to assess reading ability.
Methods : For 246 elementary(4-6 grade) children, Visagraph II and DEM tests were performed and investigated whether horizontal, vertical, number of error and horizontal/Vertical (H/V ratio) of DEM tests were correlated with average fixation, regression, duration and reading rate of Visagraph II, respectively.
Results : Fixation, duration and reading rate of Visagraph II were significantly correlated with adjusted vertical time, and regression were correlated with adjusted horizontal and vertical time.
Conclusions : Adjusted horizontal time and H/V ratio which were important factors of DEM test were not correlated with reading rate of Visagraph II. Therefore DEM test need further research of validity for assessing reading ability.
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KEYWORD
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Visagraph 2, DEM test, Reading rate, Reading ability, Horizontal, Vertical ratio
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