Making Use: Scenario-Based Design of Human-Computer Interactions
Making Use: Scenario-Based Design of Human-Computer Interactions
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Today's systems are often composed of many heterogeneous, distributed components including computing and communications infrastructure, other hardware devices, and system and application software. Evaluating the usability of these systems is difficult, especially in the early stages of development when their use cannot be observed in context. While many different evaluation methods have been proposed for evaluating stand-alone technologies, evaluating very large-scale integrated systems requires techniques appropriate both for individual components, and the whole of the human-computing context being designed. Results from the case study reported here suggest that the usability of any individual application is highly determined by its integration with other applications in the distributed system. Modern evaluation methods need to account for this integration in both their perspective and the measures they use.