We investigate pointing in true 3D environments where the target size varies in three spatial dimensions. We also study the effect of the user's physical movement angle on po...
The success of mobile text messaging poses many questions for usability studies. Considering the inherent usability weaknesses of mobile phones such as the small display, poor inp...
The described dissertation focuses on social regulation of user behavior within virtual social spaces. A multi-year field study of two fantasy-based game MUDs (multi-user dungeons...
It is accepted that changes in technology, work practices and the general socio-economic environment affect the way we plan and perform tasks. Support, opportunity and pressure fo...
Click-based graphical passwords have attractive usability properties, such as cueing and good memorability. However, image size and number of click-points in each password signifi...