Pre-survey Mean ± SD (range) | Post-survey Mean ± SD (range) | Baseline-adjusted ANCOVA analyses on post-survey scores | ||||||
---|---|---|---|---|---|---|---|---|
Intervention group (n = 20) | Control group (n = 20) | Intervention group (n = 20) | Control group (n = 20) | F-value | p-value | η2 | Cohen’s d | |
Knowledge test* (total score) | 10.0 ± 1.9 (7–15) | 10.5 ± 1.6 (8–14) | 15.5 ± 1.8 (12–18) | 11.3 ± 1.5 (8–14) | 72.1 | < 0.001 | 0.7 | 2.4 |
Self-efficacy** (mean score) | 6.8 ± 1.9 (2.8–10.0) | 6.7 ± 2.0 (3.0–9.2) | 8.2 ± 0.7 (6.7–9.2) | 6.6 ± 2.1 (2.8–9.5) | 17.7 | < 0.001 | 0.3 | 1.1 |