| Low | Middle | High | ||||||
| N | M | SD | N | M | SD | N | M | SD |
Perceived stress | 7 | 4.50 | 1.47 | 6 | 4.67 | 0.98 | 9 | 4.83 | 1.37 |
Rescue effectiveness* | 7 | 60.90 | 3.45 | 6 | 66.00 | 8.92 | 9 | 77.81 | 11.29 |