Table 1.
Demographics, cognitive style, learning outcomes, satisfaction, and experience.
| Variables | Overall, N=60 | Interactive multimedia group, N=30 | PowerPoint show group, N=30 | P valuea | |
| Demographics | |||||
| Age in years, median (IQRb) | 23 (23-24) | 23 (23-24) | 23 (23-24) | .21 | |
| Male sex, n (%) | 36 (60) | 20 (67) | 16 (53) | .43 | |
| Cognitive style | |||||
| Group embedded figures test score, median (IQR) | 17 (15-18) | 18 (15-18) | 17 (16-18) | .78 | |
| Field-dependence, n (%) | 5 (8) | 3 (10) | 2 (7) | >.99 | |
| Learning outcomes | |||||
| Multiple-choice questions-before, median (IQR) | 40 (40-50)c | 40 (40-60)c | 45 (30-50)c | .47 | |
| Multiple-choice questions-after, median (IQR) | 70 (60-80)c | 70 (58-70)c | 70 (60-80)c | .72 | |
| Percentage change in multiple-choice questions, median (IQR) | 50 (17-80)d | 40 (13-76)d | 60 (20-100)d | .42 | |
| Multimedia situational test-before, median (IQR) | 80 (60-80)c | 80 (60-80) | 80 (60-80)c | .84 | |
| Multimedia situational test-after, median (IQR) | 80 (80-100)c | 80 (60-80) | 80 (80-100)c | .003 | |
| Percentage change in multimedia situational test, median (IQR) | 13 (0-33)d | 0 (−21 to 38) | 25 (0-33)d | .16 | |
| Learning satisfaction | |||||
| Global satisfaction score, median (IQR) | 7 (5-9)d | 8 (6-9)d | 6 (4-7) | .01 | |
aMann-Whiney U test (continuous variables) or Fisher exact test (categorical variables)
bIQR: interquartile range.
cP<.05, before versus after, Wilcoxon signed-rank test (two-tailed).
dP<.05, compared with a neutral value (“0” for multiple-choice questions and multimedia situational test, or “5” for “global satisfaction score”), Wilcoxon signed-rank test (two-tailed).