Proceedings of the SIGCHI conference on Human Factors in Computing Systems
The travails of visually impaired web travellers
HYPERTEXT '00 Proceedings of the eleventh ACM on Hypertext and hypermedia
Cognitive walkthrough for the web
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Analysis of navigability of Web applications for improving blind usability
ACM Transactions on Computer-Human Interaction (TOCHI)
Evaluating DANTE: Semantic transcoding for visually disabled users
ACM Transactions on Computer-Human Interaction (TOCHI)
Using a cognitive model to generate web navigation support
International Journal of Human-Computer Studies
Information Foraging Theory: Adaptive Interaction with Information
Information Foraging Theory: Adaptive Interaction with Information
Modeling information navigation: implications for information architecture
Human-Computer Interaction
SNIF-ACT: a cognitive model of user navigation on the world wide web
Human-Computer Interaction
From x-rays to silly putty via Uranus: serendipity and its role in web search
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
GOMS analysis as a tool to investigate the usability of web units for disabled users
Universal Access in the Information Society
Towards a tool for keystroke level modeling of skilled screen reading
Proceedings of the 12th international ACM SIGACCESS conference on Computers and accessibility
Guidelines are only half of the story: accessibility problems encountered by blind users on the web
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Identifying emergent behaviours from longitudinal web use
Proceedings of the adjunct publication of the 26th annual ACM symposium on User interface software and technology
Coping tactics employed by visually disabled users on the web
International Journal of Human-Computer Studies
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Little is known about the navigation tactics employed by screen reader users when they face problematic situations on the Web. Understanding how these tactics are operationalised and knowing the situations that bring about such tactics paves the way towards modeling navigation behaviour. Modeling the navigation of users is of utmost importance as it allows not only to predict interactive behaviour, but also to assess the appropriateness of the content in a link, the information architecture of a site and the design of a web page. Current navigation models do not consider the extreme adaptations, namely coping tactics, that screen reader users undergo on the Web. Consequently, their prediction power is lessened and coping tactics are mistakenly considered outlying behaviours. We draw from existing navigation models for sighted users to suggest the incorporation of emerging behaviours in navigation models for screen reader users. To do so, we identify the navigation coping tactics screen reader users exhibit on the Web, including deliberately clicking on low scented links, escaping from useless or inaccessible content and backtracking to a shelter. Our findings suggest that, especially in problematic situations, navigation is not driven by information scent or utility, but by the need of increasing autonomy and the need of escaping from the current web patch.