Two-way analysis of variance of training level and scenario difficulty
| Variable | Easy scenario, mean ± SD | Difficult scenario, mean ± SD | p value | ||||
|---|---|---|---|---|---|---|---|
| Medical student | Resident | Medical student | Resident | Complexity | Training level | Interaction* | |
| No. of steps | 107.5 (20.2) | 107.3 (20.0) | 129.7 (12.9) | 106.4 (20.2) | 0.0116 | 0.0058 | 0.0064 |
| Virtual time | 5854 (3673) | 4433 (2012) | 8323 (3023) | 5494 (1646) | 0.0187 | 0.0050 | 0.3407 |
| Beneficial actions | 41.5 (6.9) | 41.5 (5.8) | 50.1 (7.0) | 45.7 (9.9) | 0.0007 | 0.2223 | 0.2139 |
| Harmful actions | 6.1 (3.5) | 5.6 (3.3) | 19.7 (4.9) | 10.4 (2.8) | < 0.0001 | < 0.0001 | < 0.0001 |
| Ratio of beneficial to harmful actions | 9.3 (5.8) | 11.6 (10.9) | 2.7 (0.9) | 4.8 (1.8) | < 0.0001 | 0.1162 | 0.9138 |
SD = standard deviation.
↵* The interaction between complexity and level of training.