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提取了主副导航的9个设计要素及22个水平,采用正交设计方法设计出16个主副导航原型。通过眼动追踪实验分析筛选出平均注视时间、平均眼跳延迟时间两个指标用于反映用户的认知努力程度,指标平均瞳孔直径用于反映用户的情感体验水平。用偏最小二乘回归构建了设计要素分别与三个眼动指标的关系模型。对设计水平单项系数的比较表明:当副导航位于主导航下方中部,主副导航存在颜色对比,副导航第二层次信息采用垂直或垂直与水平混合结构呈现时,需要的认知努力会更少,用户的情感体验水平会更高。
Nine major design elements and 22 levels of primary and secondary navigation were extracted, and 16 primary and secondary navigation prototypes were designed by orthogonal design. Through eye tracking experimental analysis, two indicators of average fixation time and average eye-movement delay time were selected to reflect the user’s cognitive effort. The average pupil diameter was used to reflect the user’s emotional experience level. Partial least-squares regression was used to construct a model of the relationship between the design elements and the three eye movements. Comparisons of single-factor design-level coefficients show that less cognitive effort is required when the secondary navigation is located in the lower part of the main navigation, the primary and secondary navigation are color-coded, and the second-level navigation of the secondary navigation is presented with vertical or horizontal hybrid structures , The user’s emotional experience level will be higher.