Table 4.
Quiz scores between groups at the end of the academic year
| Knowledge quiz, time 2 | Module without narration | Module with narration | p* | ||
|---|---|---|---|---|---|
| n | (S.D.) | n | (S.D.) | ||
| N = 86 (66%) | 38 | 44% | 48 | 56% | |
| Mean number correct responses | 3.0 | 1.8 | 3.4 | 1.8 | 0.200 |
| Mean minutes of study | 17.5 | 8.2 | 18.4 | 8.2 | 0.080 |
| Mean learning efficiency† | 0.6 | 0.6 | 2.3 | 9.1 | 0.025 |
| Mean months between exposure and quiz | 4.7 | 2.0 | 4.5 | 2.1 | 0.280 |
*Mann-Whitney U test of differences between intervention groups
†Calculated as the number of correct responses per minute of study