Sammanfattning Abstract Recent research in the usability engineering field tends to emphasize, somewhat neglected, the need of incorporating the joy-of-use factor (the hedonic dimension of usability) into the design of user interfaces. However such design decisions have to be applied with care and proper modesty as they may diminish the product’s overall quality of use. Notions of pleasure and ...

This paper is aimed at determining of the effect of subjective measures of web service usability on its objective measures. Using these results by appropriate design of web system its usability can be improved. A checklist combining the dimensions of web service usability and web service quality is proposed. For determining the subjective measures with the highest and lowest contribution to web...

Usability has been increasingly recognized as an important factor in the acceptance of systems by end users. Usability requirements can be considered to be requirements that capture the usability goals and associated measures for a system under development. In order to ensure usable systems we must ensure identification of appropriate requirements regarding these critical aspects of systems. Th...

This study compared usability testing results found with lowand high-fidelity prototypes for mobile phones. The main objective is to obtain deep understanding of usability problems found with different prototyping methods. Three mobile phones from different manufactures were selected in the experiment. The usability level of the mobile phones was evaluated by participants who completed a questi...

Purpose – This paper aimed to develop a usability evaluation model and associated survey tool in the context of academic libraries. This study not only proposed a usability evaluation model but also a practical survey tool tailored to academic library websites. Design/methodology – A usability evaluation model has been developed for academic library websites based on literature review and exper...

There has been an increasing concern about inactive drivers who would easily lead to road accidents and fatalities once return to driving. This study investigated the re-usability of traffic signs for inactive drivers with consideration of driver factors and cognitive sign features. Fifty-seven Hong Kong Chinese, who possessed a full driving license but had not driven for an extended period, co...

Training users is a critical success factor in ERP implementations. An important aspect of training is documentation in the form of training manuals. However, the effectiveness of the training manuals will depend on their perceived usability. In this study, survey items for usability, modeled after the Questionnaire for Usability Evaluation designed by U.S. WEST Information Technologies, assess...

Psychometrically qualified usability evaluation instruments offer many advantages to the usability practitioner. Advantages include objectivity, replicability, quantification, economy, communication, and scientific generalization. It is important that instruments used in usability evaluation have shown acceptable estimates of reliability, validity, adaptability and practicality. This paper comp...