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Group comparison of the average task time.
| Tasks | Original modules (task time in seconds), mean (SD) | Redesigned modules (task time in seconds), mean (SD) | Time difference, seconds (%) |
| Group 1 | 44.6 (8.0) | 31.7 (5.7) | −12.8 (−28.8) |
| Group 2 | 47.9 (11.4) | 30.2 (6.5) | −17.7 (−37) |
| Group 3 | 54.9 (14.1) | 35.8 (10.8) | −19.1 (−34.8) |
