Measuring search efficiency in complex visual search tasks: global and local clutter.

  title={Measuring search efficiency in complex visual search tasks: global and local clutter.},
  author={Melissa R. Beck and Maura C. Lohrenz and J. Gregory Trafton},
  journal={Journal of experimental psychology. Applied},
  volume={16 3},
Set size and crowding affect search efficiency by limiting attention for recognition and attention against competition; however, these factors can be difficult to quantify in complex search tasks. The current experiments use a quantitative measure of the amount and variability of visual information (i.e., clutter) in highly complex stimuli (i.e., digital aeronautical charts) to examine limits of attention in visual search. Undergraduates at a large southern university searched for a target… CONTINUE READING
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