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...
The act of encountering information unexpectedly has long been identified as valuable, both as a joy in itself and as part of task-focused problem solving. There has been a concer...
Every year almost 10 million children die before reaching the age of five despite the fact that two-thirds of these deaths could be prevented by effective low-cost interventions. ...
Brian DeRenzi, Neal Lesh, Tapan S. Parikh, Clayton...
We propose the "ninja cursor" to improve the performance of target acquisition, particularly on large screens. This technique uses multiple distributed cursors to reduce...
In this paper I describe the Associative PDA 2.0, a mobile system for Personal Information Management (PIM), based on an associative information network. In addition to associate ...