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      Effect of Fidelity in Diagram Presentation

      1 , 2 , 1 , 1

      People and Computers XXII Culture, Creativity, Interaction (HCI)

      Computers XXII Culture, Creativity, Interaction

      1 - 5 September 2008

      Design fidelity, sketching, sketch tools

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          Abstract

          The visual fidelity (fidelity) of a design diagram affects perception and design performance. Hand-drawn diagrams are more effective working documents for early design tasks such as user interface designs than the equivalent computer-prepared formal representation. However people prefer more formal representations because they feel that hand-drawn diagrams look unprofessional. Sketch-based design tools make it possible to present partially tidied designs. We have postulated intermediary levels of visual fidelity in a systematic manner and implemented these levels into a sketch tool to evaluate the effect of computerization and fidelity on perception and design performance. Our findings show that: performance decreased systematically with increased fidelity; that computer presented designs decreases performance and that performance was decreased by computerization of the hand-drawn diagrams. In contrast, user satisfaction was higher with increasing levels of fidelity. These results pose challenges to the sketch tools community and further questions for effective computer support for early design.

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          Author and article information

          Contributors
          Conference
          September 2008
          September 2008
          : 35-44
          Affiliations
          [1 ]Department of Psychology

          University of Auckland, New Zealand

          Phone +64 9 373-7599
          [2 ]Department of Computer Science

          University of Auckland, New Zealand

          Phone +64 9 373-7599
          Article
          10.14236/ewic/HCI2008.4
          © Louise Yeung et al. Published by BCS Learning and Development Ltd. People and Computers XXII Culture, Creativity, Interaction

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          People and Computers XXII Culture, Creativity, Interaction
          HCI
          22
          Conference Liverpool John Moores University, UK.
          1 - 5 September 2008
          Electronic Workshops in Computing (eWiC)
          Computers XXII Culture, Creativity, Interaction
          Product
          Product Information: 1477-9358BCS Learning & Development
          Self URI (journal page): https://ewic.bcs.org/
          Categories
          Electronic Workshops in Computing

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