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      • HARVEST
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      Improving memorability in fisheye views

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      Date
      2004-08-20
      Author
      Skopik, Amy Caroline
      Type
      Thesis
      Degree Level
      Masters
      Metadata
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      Abstract
      Interactive fisheye views use distortion to show both local detail and global context in the same display space. Although fisheyes allow the presentation and inspection of large data sets, the distortion effects can cause problems for users. One such problem is lack of memorability – the ability to find and go back to objects and features in the data. This thesis examines the possibility of improving the memorability of fisheye views by adding historical information to the visualization. The historical information is added visually through visit wear, an extension of the concepts of edit wear and read wear. This will answer the question “Where have I been?” through visual instead of cognitive processing by overlaying new visual information on the data to indicate a user’s recent interaction history. This thesis describes general principles of visibility in a space that is distorted by a fisheye lens and defines some parameters of the design space of visit wear. Finally, a test system that applied the principles was evaluated, and showed that adding visit wear to a fisheye system improved the memorability of the information space.
      Degree
      Master of Science (M.Sc.)
      Department
      Computer Science
      Program
      Computer Science
      Supervisor
      Gutwin, Carl
      Committee
      Saucier, Deborah M.; Kusalik, Anthony J. (Tony); Schneider, Kevin
      Copyright Date
      August 2004
      URI
      http://hdl.handle.net/10388/etd-08312004-132550
      Subject
      memorability
      spatial memory
      fisheye usability
      focus+context techniques
      Fisheye views
      edit wear
      visit wear
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