Restricted Focus Viewer: A Tool for Tracking Visual Attention

  title={Restricted Focus Viewer: A Tool for Tracking Visual Attention},
  author={Alan F. Blackwell and Anthony R. Jansen and Kim Marriott},
Eye-tracking equipment has proven useful in examining the cognitive processes people use when understanding and reasoning with diagrams. However, eye-tracking has several drawbacks: accurate eyetracking equipment is expensive, often awkward for participants, requires frequent re-calibration and the data can be diÆcult to interpret. We introduce an alternative tool for diagram research: the Restricted Focus Viewer (RFV). This is a computer program which takes an image, blurs it and displays it… CONTINUE READING
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