Effects of spatial locations and luminance on finding and re-finding information in a desktop environment

  • Authors:
  • J. Michelle Moon;Wai-Tat Fu

  • Affiliations:
  • University of Illinois at Urbana-Champaign, Savoy, USA;University of Illinois at Urbana-Champaign, Savoy, USA

  • Venue:
  • CHI '09 Extended Abstracts on Human Factors in Computing Systems
  • Year:
  • 2009

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Abstract

We studied how spatial locations and luminance affect finding and re-finding information in a desktop environment. In an experiment conducted with computer icons, fixed locations led to more frequent accesses to icons while change of luminance led to worse recall of icon titles and locations. Results are consistent with the notion that information search behavior is adaptive to the cost-benefit structure of the interface, and search strategies are adaptive to different external representations of icons. Results also suggest that both external representations and human information processes are critical in determining the effectiveness of different GUI designs.