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中文摘要：
利用Eye Link Ⅱ眼动仪视频叠加的方法，记录12名大学生被试操作虚拟现实软件过程中的行为和眼动指标，考察了被试在化身和方向键两种版本的桌面虚拟现实系统中的浏览行为。结果表明，化身组和方向键组的被试在浏览时间、注视点总数、平均注视时间上无显著差异；方向键组被试比化身组被试更多弛注视操作区域（化身或方向键），意味着方向键版本需要更多的操作和控制；化身组和方向键组被试都表现出明显的学习效应。本研究表明眼动视频叠加是评估虚拟现实系统有效手段。
英文摘要：
By recording 12 undergraduates behavioral and eye movement indices in video overlay mode of Eye Link II when they were interacting with the virtual reality system, the present study examined users＇browsing behavior in the avatar version and the direction key version Of a desktop virtual reality system. The results showed that there were no differences in browsing time, total fixation number and average fixation duration between avatar group and direction keys group. Users in the direction key group gazed at the area of direction keys more often than users in the avatar group gazed at the area of avatar, which suggested that the direction key version required more operations and controls. Obvious learning effect was observed in both avatar group and direction key group. This study suggested that eye movement tracking with video overlay was an effective method for evaluating virtual reality system.
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