| Paired differences | t-test | Significance | ||||||
|---|---|---|---|---|---|---|---|---|
| 95% confidence interval of the difference | ||||||||
| Mean pre-training | Mean post-training | Difference in the mean | Standard deviation | Lower | Upper | Two-sided P | ||
| Objective knowledge | 6.600 | 7.371 | 0.771 | 1.699 | 0.187 | 1.355 | 2.686 | 0.011 |
| Subjective knowledge | 14.571 | 21.400 | 6.828 | 4.883 | 5.150 | 8.506 | 8.272 | <0.001 |
| Confidence | 12.828 | 16.914 | 4.085 | 3.845 | 2.764 | 5.406 | 6.286 | <0.001 |