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User Experience User experience is now becoming central to our understanding of the usability of technology. Today many interactive technology companies describe on their Web sites their commitment to experience-based design. There is also a trend in HCI communities to foreground experience-centered approaches to technology, a movement reflected in several(More)
In this paper, we present a new approach to interaction modelling based on the concept of information resource. The approach is inspired by recent distributed cognition (DC) literature but develops a model that applies specifically to human-computer interaction (HCI) modelling. There are of course many approaches to modelling HCI and the motivation of this(More)
THEA is a technique designed for use by interactive system designers and engineers to help anticipate interaction failures. These may become problematic once designs become operational. The technique employs a cognitive error analysis based on an underlying model of human information processing. It is a highly structured approach, intended for use early in(More)
In this paper we describe the Prayer Companion, a device we developed as a resource for the spiritual activity of a group of cloistered nuns. The device displays a stream of information sourced from RSS news feeds and social networking sites to suggest possible topics for prayers. The nuns have engaged with the device enthusiastically over the first ten(More)
An evaluation of earcons was carried out to see whether they are an effective means of communicating information in sound. An initial experiment showed that earcons were better than unstructured bursts of sound and that musical timbres were more effective than simple tones. A second experiment was then carried out which improved upon some of the weaknesses(More)
Graphical buttons are common to almost all interfaces but they are not without problems. One common difficulty is slipping off a button by mistake and not noticing. Sonically-enhanced buttons were designed to overcome this problem and were experimentally evaluated. Timing, error rates and workload measures were used. Error recovery was significantly faster(More)
This paper describes a method of presenting structured audio messages, earcons, in parallel so that they take less time to play and can better keep pace with interactions in a human-computer interface. The two component parts of a compound earcon are played in parallel so that the time taken is only that of a single part. An experiment was conducted to test(More)
Modern commercial organisations are facing pressures which have caused them to lose personnel. When they lose people, they also lose their knowledge. Organisations also have to cope with the internationalisation of business forcing collaboration and knowledge sharing across time and distance. Knowledge management (KM) claims to tackle these issues. This(More)