Abstract
To improve the identification efficiency of safety signs in the subway, investigations on the safety signs of the subway were carried on. 158 participants were invited to participate the questionnaire test and the experiment to the redesigned safety signs. Tobii X2-30 was used to collect eye movement data and the area of interest (AOI). Wilcoxon rank sum test and Mann-Whitney U test were used to analyze the difference of the new safety signs and the original signs on the first saccade latency, the first fixation duration, and the total fixation duration in AOI. The results show that the value of P for four signs are less than 0.05. The analysis to eye movement are consistent with the selected subjects for the participants, which indicates that the new designed safety signs are better than the original. And the parameters that mentioned can be used for the test of signs.
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