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 adoption of digital television (DTV) could be particularly attractive for older people if appropriately designed. Despite this, when new services and applicat...
Abstract. The rapid growth of on-line information including multimedia contents during the last decade caused a major problem for Web users - there is too much information availabl...
The landscape of interactive technology design and evaluation is expanding. In the past, usability and task efficiency were the main focus for research in human computer interacti...
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...