Use of Mouse-tracking Method to Measure Cognitive Load
2018
Integrated with computerized education platforms, the mouse-tracking technique could provide an inexpensive and less intrusive tool for assessing cognitive load. The present study examined whether mouse-tracking can quantify changes in cognitive load. Participants performed a dual-task, which required them to perform primary tasks of moving a computer mouse cursor along the vertical and the horizontal axes to a target, and secondary arithmetic tasks designed to impose different levels of cognitive load. Analyses of the mouse-tracking data indicated that slower mean response time and less trajectory deviation were observed when participants were given secondary tasks imposing a greater cognitive load, whereas slower mean response time and greater trajectory deviation were observed when participants moved a cursor toward a smaller-sized target. The cause behind the quantitative difference between the cognitive load effect, and the motor task difficulty (target size) is discussed, as are implications of thes...
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