Usability comprises the aspects effectiveness, efficiency, and satisfaction. The correlations between these aspects are not well understood for complex tasks. We present data from...
We have developed a new input device that allows users to intuitively specify three-dimensional coordinates in graphics applications. The device consists of a cubeshaped box with ...
We introduce an educational toy, called curlybot, as the basis for a new class of toys aimed at children in their early stages of development – ages four and up. curlybot is an ...
Phil Frei, Victor Su, Bakhtiar Mikhak, Hiroshi Ish...
We can reliably build “second generation” intelligent computer tutors that are approximately half as effective as human tutors. This paper evaluates two interface enhancements...
We present lessons learned from developing Alice, a 3D graphics programming environment designed for undergraduates with no 3D graphics or programming experience. Alice is a Windo...
Matthew Conway, Steve Audia, Tommy Burnette, Denni...
In this paper, we describe our experiences of developing and evaluating GUIDE, an intelligent electronic tourist guide. The GUIDE system has been built to overcome many of the lim...
Keith Cheverst, Nigel Davies, Keith Mitchell, Adri...
We developed a user interface that organizes Web search results into hierarchical categories. Text classification algorithms were used to automatically classify arbitrary search r...