Comparing non-deterministic models of tasks and de- vices
نویسنده
چکیده
This paper discusses a simple model of the temporal behaviour of users and devices. A range of possible comparisons that can be drawn between the two models is examined. Without assuming a theory of cognition or a process model for user interface software design, this exercise reveals a significant range design issues and demonstrates how the simplest models of interaction can provide a framework for reasoning about usability.
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