Modeling Search in Web Environment: the Analysis of Eye Movement Measures and Patternsстатья
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Дата последнего поиска статьи во внешних источниках: 19 сентября 2017 г.
Аннотация:Abstract. In the current study we analyzed several factors and their interaction
on the speed and spatial organization of visual search in a modeled graphical
interface environment. The participants had to find the target stimulus in a 9x9
matrix with 81 images, commonly used in web design. Search time and eye
movement data were recorded. In addition to traditional measures we analyzed
intersaccadic angles and saccade directions. The stimuli were either black and
white, or colored (the Chromaticity factor). The Chromaticity factor did not
exert direct influence on the search time, and there was little effect of
chromaticity on eye movement characteristics, apart from fixation count in the
area of target words. The target could be presented either as an image or as a
word (the Target template factor). The Target template factor exerted
significant influence on search time, fixation duration and on saccadic
amplitude and velocity. Moreover, we identified sequential and non-sequential
visual search patterns, based on the combination of intersaccadic angle and
saccade direction measures, which proved to differ in subjects with high and
low impulsivity.
Keywords: eye movements; visual search; cognitive styles; intersaccadic angle;
saccade direction