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Designing time at the user interface

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This paper describes research that seeks to facilitate the capture, representation, and reasoning about, temporal information by usability engineers. The product, a method we call KAT-LITTER, is an extension of Johnson and Johnson's (1991) Knowledge Analysis of Tasks (KAT). An evaluation of KAT-LITTER showed that it influenced the design process in two significant ways: firstly, designers using KAT-LITTER spent more time reasoning about temporal issues than designers using KAT alone, and secondly these same designers considered a broader spectrum of temporal issues. Further developments of KAT-LITTER are briefly discussed.

Document Type: Regular Paper


Affiliations: 1: Swinburne Computer Human Interaction Laboratory (SCHIL), School of Information Technology, Swinburne University of Technology, 3122 Australia 2: Department of Information Systems, University of Melbourne, Parkville, 3052 Australia 3: School of Management Information Systems, Deakin University, Geelong, 3217 Australia;

Publication date: November 1, 2000

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