Written knowledge assessment
| Role | Pretest M(SD) | Post-test M(SD) | % change | t | Df | Sig. (2-tailed) |
| HM | 55.2 (12.8) | 69.5 (12.6) | 26% | −8.4 | 51 | 0.000 |
| MD | 81.1 (10.7) | 90.2 (7.0) | 11% | −5.2 | 21 | 0.001 |
| RN | 64.9 (13.5) | 80.9 (11.3) | 25% | −6.9 | 22 | 0.002 |
| Overall | 63.4 (16.2) | 76.9 (14.1) | 21% | −11.7 | 96 | 0.000 |
HM, Hospital Corpsman; M, Mean; MD, Medical Doctor; RN, Registered Nurse; Sig, Significance; t, paired t test statistic.