Beyond Fitts' Law: Models for Trajectory-Based HCI Tasks

  title={Beyond Fitts' Law: Models for Trajectory-Based HCI Tasks},
  author={Johnny Accot and Shumin Zhai},
As a developing discipline, research results in the field of human computer interaction (HCI) tends to be "soft". Many workers in the field have argued that the advancement of HCI lies in "hardening" the field with quantitative and robust models. In reality, few theoretical, quantitative tools are available in user interface research and development. A rare exception to this is Fitts' law. Extending information theory to human perceptual-motor system, Paul Fitts (1954) found a logarithmic… CONTINUE READING
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