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Table 2 Behavioral and ocular metrics (mean + SD) of the CHEX usability for Experiment 1 and 2

From: Supporting dynamic change detection: using the right tool for the task

  TEWA + CHEX Change detection only + CHEX
Mean number of aircraft selections
 On the tool 96.76 (91.23) 724 (765.813)
 On the radar 679.8 (191.49) 1119.95 (1062.7)
 Selections on the tool (%) 12.5 (11.55) 45.54 (45.63)
Eye movements on the tool
 Overall dwell time (%) 2.42 (2.45) 11.5 (10.95)
 Fixations (%) 3.92 (3.49) 28 (22.33)