The impossibility of statically determining the behavior of complex systems that interact at runtime with heterogeneous devices and remote entities, may lead to unexpected system ...
We report on a study (N=36) of user preferences for balancing awareness with privacy. Participants defined permissions for sharing of location, availability, calendar information ...
The objects and surfaces of a task-based environment can be layered with digital interfaces to make them easier and safer to use. Once information can be projected anywhere in the...
This paper outlines a series of experiments to develop asynchronous messaging systems for preschool aged children. Three unique systems build on a foundational design called Toast...
Hayes Raffle, Rafael Ballagas, Glenda Revelle, Koi...
Usability evaluation methods have a long history of research. Latest contributions significantly raised the validity of method evaluation studies. But there is still a measurement...