Table 2.
Descriptive statistics (M; SD) and significance test for marksmanship task and workload measure.
| Fatigue | Control | Significance test | |
|---|---|---|---|
| Hit proportion (%) | 76.44 (8.98) | 78.45 (8.50) | t(19) = 0.58, p =.57 |
| DCSG (cm) | 37.72 (3.81) | 38.56 (4.63) | t(19) = 0.98, p = 0.34 |
| SGP (cm) | 13.18 (1.32) | 13.13 (1.31) | t(19) = 0.18, p = 0.86 |
| Errors of commission (%) | 48.05 (22.42) | 32 (17.94) | t(19) = 4.39, p = 0.001 |
| Errors of omission (%) | 7.25 (7.65) | 6.26 (6.74) | t(19) = 0.67, p = 0.51 |
| Response time (ms) | 791.87 (65.52) | 794.50 (47.48) | t(19) = 0.25, p = 0.81 |
| Workload score | 89.35 (23.71) | 94.04 (12.35) | t(19) = 1.72, p = 0.10 |
Performance and workload score on the marksmanship task as a function of intervention type. DCSG, Distance of the center of the shot group; SGP, Shot group precision.