HCI.TOP
B1.11

Applicability and misuse of Fitts's law

Cards in this group · 5

  1. B1.11.1The law assumes rapid aimed movement; slow tracking and dragging are outside its scope
  2. B1.11.2Coefficients must be calibrated for device, limb, and population
  3. B1.11.3The law covers movement time, not target search or deciding where to click
  4. B1.11.4Treating index of difficulty as a single quality score is misuse
  5. B1.11.5“Bigger buttons are always better” ignores finite layout area