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The role of prototypes is well established in the field of HCI and Design. A lack of knowledge, however, about the fundamental nature of prototypes still exists. Researchers have attempted to identify different types of prototypes, such as low- vs. high-fidelity prototypes, but these attempts have centered on evaluation rather than support of design(More)
The Open University's repository of research publications and other research outputs Equal opportunities: Do shareable interfaces promote more group participation than single users displays? (2009). Equal opportunities: Do shareable interfaces promote more group participation than single users displays? Human-Computer Interaction, 24(1-2) pp. 79–116.(More)
Although there has been a drastic increase in the research of aesthetics of interaction, we still lack well-defined practical knowledge of how to <i>design</i> aesthetic interactions. In order to develop such knowledge, we adapt three important ways of thinking in designing <i>interactions</i> influenced by traditional design disciplines, namely, 1)(More)
This paper reports the highlights of a user study which gauges reactions to a variety of common " trust indicators " – such as logos, third party endorsements, and padlock icons – over a selection of authentic and phishing stimuli. In the course of the think-aloud protocol, participants revealed different sensitivities to email messages and web pages. Our(More)
We describe a study that investigated how a shared interactive tabletop (DiamondTouch) can be designed to provide new opportunities for supporting collaborative decision-making. Small groups of users were required to work together using the table by selecting and placing digital images into a calendar template and justifying their choices to one-to-another.(More)
We propose a new perspective, seeing interactivity that is the immaterial part of an interactive artifact as something concretely describable and perceivable as we do with physical materials. In order to examine the validity of this proposal, we extracted a set of interactivity attributes to be used as a design language for thinking and describing(More)
Many traditional methods in the task analysis area are developed for analyzing the task structure of interactions involving individual users. Nowadays more issues have been raised in dealing with group work task analysis. Accommodating contextual information as a part of task modeling is a potentially fertile arena of exploration in this area. This paper(More)
In this paper, we explore the use of an Eco-Driving System to see how the system promotes greener driving behavior. We conducted both an online survey (N=60) and a user test (N=14) to study the Eco-Driving System. Based on participant responses, we found that the current Eco-Driving System shows minor benefits in gas mileage due to different driving(More)
Statistical graphics on the web such as a tag cloud visually represent statistical data which are generated by website users. While sighted people can scan the latest information through the dynamic changes of statistical graphics, blind people, who cannot perceive them, lose opportunities to keep up to date in this quickly-changing society. In order to(More)