Human perception of time is fluid, and can be manipulated in purposeful and productive ways. In this note, we propose and evaluate variations on two visual designs for progress ba...
In this paper we describe the design of a relational agent interface for handheld computers and the results of a study exploring the effectiveness of different useragent interacti...
This paper reports on the evaluation of a digitallyaugmented exhibition on the history of modern media and our experiences with the methodic approach employed. As a central elemen...
Post-task ratings of difficulty in a usability test have the potential to provide diagnostic information and be an additional measure of user satisfaction. But the ratings need to...
Throughout many of the different types of Web searches people perform, the primary tasks are to first craft a query that effectively captures their information needs, and then eva...