| Question type | t | Degrees of freedom | p value* |
|---|---|---|---|
| Test questions | |||
| Baseline | -0.344 | 62 | 0.7 |
| Postintervention | -0.378 | 62 | 0.7 |
| Baseline questions 7 d postintervention | -3.20 | 62 | 0.002† |
| Postintervention questions 7 d postintervention | -0.703 | 62 | 0.5 |
| Control questions | |||
| Baseline | -1.824 | 62 | 0.07 |
| Postintervention | 0.272 | 62 | 0.8 |
| Baseline questions 7 d postintervention | -0.036 | 62 | 1.0 |
| Postintervention questions 7 d postintervention | -0.606 | 62 | 0.5 |
*2-tailed t test.
†Represents significance at the Bonferroni-corrected α threshold of 0.00625 to control for multiple comparisons.