We present two studies to comparatively evaluate the performance of gesture-based 2D and 3D pointing tasks. In both of them, a Wiimote controller and a standard mouse were used by six participants. For the 3D experiments we introduce a configuration analogous to the ISO 9241-9 standard methodology. We examine the pointing devices’ conformance to Fitts’ law, and we measure some extra parameters ...

Obesity is one of the most serious public health challenges of the 21st century and it is a threat to the life of people according to World Health Organization. In this scenario, family environment is important to establish healthy habits which help to reduce levels of obesity and control overweight in children. However, little efforts have been focused on helping parents to promote and have he...

ISO/IEC 9126 (1991) established a practical way of decomposing software quality into a set of characteristics and subcharacteristics. Reconciling this approach to quality with a new standard for usability (ISO 9241-11) has led to a comprehensive framework for software product quality which is being incorporated in a revision to ISO/IEC 9126. The new framework defines three perspectives: interna...

A lot of the company's business activities failed due to not adapting user needs and technological developments. Previous studies show that there is no way implement UX guidelines explain specific for e-commerce systems. Therefore, we need a implementing websites. We used usability parameters in ISO 9241-11, namely effectiveness, efficiency, satisfaction, measure system's then conduct an interv...

Abstract—The cognitive learning approach through visual media is a characteristic of for deaf students because these can receive more quickly. However, this method became an obstacle when process was online conducted the effect Covid-19 pandemic. Based on explanation, need based interactive help in studying process. This research focuses developing using User Center Design (UCD) to center devel...

Usability Studien über unterstützende technische Komponenten im Gesundheitswesen sind bislang die Ausnahme. Insbesondere mobilen Werkzeugen wurde bisher wenig Beachtung geschenkt, was auf den geringen Routineeinsatz dieser Geräte zurück zu führen ist. In der vorliegenden Arbeit werden erstmals Ergebnisse aus einer multizentrischen, externen Evaluation zur Benutzerfreundlichkeit von Handheld Ger...