Current prediction models for usability evaluations are based on stochastic distributions derived from series of Bernoulli processes. The underlying assumption of these models is ...
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...
This work presents a usability evaluation performed during the field-test of a speech based data-entry system. The application domain is the data-entry of personnel absence record...
Downstream utility is a critical success factor for usability evaluation methods, in terms of the extent to which they can deliver value. In this paper we argue that field methods...
Think-aloud testing is a widely employed usability evaluation method, yet its use in practice is rarely studied. We report an explorative study of 14 think-aloud sessions, the aud...
In this SIG, we will present scenarios that exemplify many of the key challenges of doing user research and usability evaluation internationally. We will use these to stimulate di...
Current practice in Human Computer Interaction as encouraged by educational institutes, academic review processes, and institutions with usability groups advocate usability evalua...
I am currently working as a PhD student and a researcher at Middle East Technical University (ankara/Turkey). In 2008 I was a Fulbright scholar at MIT. My research focuses on the u...