Unified theories of cognition
Human-computer interaction (2nd ed.)
Human-computer interaction (2nd ed.)
Real-time simulation of arbitrary visual fields
ETRA '02 Proceedings of the 2002 symposium on Eye tracking research & applications
The Psychology of Human-Computer Interaction
The Psychology of Human-Computer Interaction
ACT-R: a theory of higher level cognition and its relation to visual attention
Human-Computer Interaction
SNIF-ACT: a cognitive model of user navigation on the world wide web
Human-Computer Interaction
SNIF-ACT: a model of information foraging on the world wide web
UM'03 Proceedings of the 9th international conference on User modeling
Modeling visual attention for rule-based usability simulations of elderly citizen
EPCE'11 Proceedings of the 9th international conference on Engineering psychology and cognitive ergonomics
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One of the most important tasks on the Web is foraging information. In this study, we present a computational model which simulates human eye movements during information seeking in Web pages. Human visual scanpaths are guided by their information needs, by the visual features of the stimuli and by what they previously processed. Our model takes into account both semantic (top-down) and visual (bottom-up) information, as well as a memory model in order to predict the focus of attention. Our model operates at the block level, but also at the word level. To validate this model, both participants and model were asked to seek information in a pseudo online newspaper. We find good correspondence between simulated and empirically observed scanpaths. Knowing where the user is looking at while searching for information is crucial for evaluating the usability of Web sites and contribute to the design of Web pages.