Notational Systems—The Cognitive Dimensions of Notations Framework

Alan Blackwell,     Cambridge University, Cambridge, England

Thomas Green,     University of Leeds, Leeds, England


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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