Typical KLM times Operator K B P H D M R Remarks Press key good typist (90 wpm) average typist (40 wpm) non-typist Mouse button press down or up click Point with mouse Specific movement Average movement Home hands to/from keyboard Drawing Mentally prepare Response from system Time (s) 0.12 0.28 1.20 0.10 0.20 Fitts' law 1.10 0.40 domain dependent 1.20 measure
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