Statecharts: A visual formalism for complex systems
Science of Computer Programming
Automatic Support for Usability Evaluation
IEEE Transactions on Software Engineering
Extracting usability information from user interface events
ACM Computing Surveys (CSUR)
Handbook of Usability Testing: How to Plan, Design, and Conduct Effective Tests
Handbook of Usability Testing: How to Plan, Design, and Conduct Effective Tests
ConcurTaskTrees: A Diagrammatic Notation for Specifying Task Models
INTERACT '97 Proceedings of the IFIP TC13 Interantional Conference on Human-Computer Interaction
A Visual Formalism for Graphical User Interfaces based on State Transition Diagrams
IV '03 Proceedings of the Seventh International Conference on Information Visualization
Towards visual analysis of usability test logs using task models
TAMODIA'06 Proceedings of the 5th international conference on Task models and diagrams for users interface design
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In this paper we present a new visualization method for analysis of the usability test data provided in a log file form. In contrast to the traditional approach, our method uses also the data from the application task and dialog models to give the usability expert detailed log file visualizations with alternative paths. We show the use of the new approach on the example of voice applications, where it appears to be especially suitable. In addition, we describe architecture of a work-in-progress analytical tool that supports such dialog and task based visualizations. As the task models foster deeper understanding of usability data, we believe this approach makes it much easier for developers and for usability experts to communicate over the usability issues.