Abstract
The study of eye movements is a common way to non-invasively understand and analyze human behavior. However, eye-tracking techniques are very hard to scale, and require expensive equipment and extensive expertise. In the context of web browsing, these issues could be overcome by studying the link between the eye and the computer mouse. Here, we propose new analysis methods, and a more advanced characterization of this link. To this end, we recorded the eye, mouse, and scroll movements of 151 participants exploring 18 dynamic web pages while performing free viewing and visual search tasks for 20 s. The data revealed significant differences of eye, mouse, and scroll parameters over time which stabilize at the end of exploration. This suggests the existence of a task-independent relationship between eye, mouse, and scroll parameters, which are characterized by two distinct patterns: one common pattern for movement parameters and a second for dwelling/fixation parameters. Within these patterns, mouse and eye movements remained consistent with each other, while the scrolling behaved the opposite way.
Highlights
Websites, and more web pages, refer to a type of stimulus we potentially see every day
To differentiate microstops from movements, we looked at the study from Moher and Song (2019) in which they compared behaviors between a 3D reach tracker, a computer mouse, and a stylus
Participants were able to independently move the mouse and scroll. This led to overlaps between mouse movements and scrolls. We found that this overlap occurred only 10% (SD = ±4.83%) of the total mouse movement time and 15% (SD = ±10.59%) of the total scrolling time
Summary
More web pages, refer to a type of stimulus we potentially see every day. Such stimuli are rarely entirely visible, the fact that we cannot fully explore them using only our eyes. While clicks and drags and drops allow the user to perform actions on the visible content, scrolling drives which part of the web page is displayed. These characteristics specific to web pages induce more complex behaviors, as well as more challenging issues to address. One interesting aspect is how the mouse relates to the eyes
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