The AAL project SI-Screen focuses on providing an innovative user interface for elderly people enhancing their access to awareness streams of Social Networking Services by using tablet computers. As part of our attempt to investigate the acceptance of the newly developed user interface, we assessed the display size and touch input accuracy of multi-touch tablet computers in a multi-directional ...

There is an increasing demand for software that matches real user needs in a working environment. The paper describes the new framework for software product quality developed for ISO/IEC 9126-1: internal quality (static properties of the code), external quality (behaviour of the software when it is executed) and quality in use (the extent to which the software meets the needs of the user). Qual...

<p class="0abstract">Usability evaluation is an essential activity to contribute a higher standard of user experience. This study conducted usability on multi-platform application according attributes as defined in ISO 9241-11 which are efficiency, effectiveness, and satisfaction. The was both platforms; web mobile involved 50 participants. results discovered some points issues. Therefore...

The measures that are currently used to evaluate users' performances on interaction tasks in virtual environments often do not provide sufficient information for how to improve these interactions. The current paper proposes a new method for analyzing 3D goal-directed movements based on dividing them into meaningful phases. We apply the method to experimental data that we have collected earlier ...

In diesem Beitrag stellen wir die Ergebnisse einer empirischen Feldstudie bei einem bekannten deutschen Softwareunternehmen vor. Das Ziel war es, den dort durchgeführten Entwicklungsprozess unter Einbeziehung der Nutzer besser zu verstehen, um von einem erfolgreichen Beispiel zu lernen. Innerhalb dieser Arbeit betrachten wir Benutzerbeteiligung als ein Hilfsmittel um gute Usability und User Exp...