Notational Systems—The Cognitive Dimensions of Notations Framework
Alan Blackwell, Cambridge University, Cambridge, England
Thomas Green, University of Leeds, Leeds, England
5.1 MOTIVATION
The field of human-computer interaction (HCI) is gradually achieving sound theoretical descriptions of the activities, context, and cognition of computer-system users. How do these research results get applied by the people who design new user interfaces? Although we have theoretical descriptions of the activities of system users, we have fewer descriptions of the design activities of user-interface designers. There are certainly theory-based design methods prescribing the things that designers ought to do. Almost all of these have been ...
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