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© 2010 Taylor & Francis Group, LLC
Chapter 16
Reflections on Representations
Cognitive Dimensions Analysis of
Whiteboard Design Notations
Marian Petre
The Open University
CONTENTS
16.1 Introduction 269
16.2 Background: Design Studies of External Representations 271
16.2.1 Sketching in Design in General 271
16.2.2 Sketching in Soware Design 271
16.2.3 Juxtaposition 272
16.2.4 Fluidity and Improvisation 273
16.2.5 Flexibility, Provisionality, and Low Fidelity 273
16.3 Representations Designers Drew on the Whiteboard 274
16.3.1 Role Change and Morphing of Representations 277
16.3.2 Use of Gesture to Amplify Representation 277
16.4 CDs Analysis ...