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) |