Table 2.
Effect of the different learning methods on knowledge gain.
| Answers at study time points | Control group (n=48), mean (SD) | Intervention group (n=46), mean (SD) | P valuea | |
| Correct answers |
|
|
.92 | |
|
|
Baselineb | 8.81 (2.43) | 9.30 (2.37) |
|
|
|
Postintervention | 9.79 (2.48) | 10.33 (2.61) |
|
|
|
Difference | 0.98 (2.20) | 1.02 (2.37) |
|
| Wrong answers |
|
|
.92 | |
|
|
Baseline | 11.19 (2.43) | 10.70 (2.38) |
|
|
|
Postintervention | 10.21 (2.48) | 9.67 (2.61) |
|
|
|
Difference | –0.98 (2.20) | –1.02 (2.37) |
|
| Total score |
|
|
.92 | |
|
|
Baseline | 4.41 (1.21) | 4.65 (1.19) |
|
|
|
Postintervention | 4.90 (1.24) | 5.16 (1.30) |
|
|
|
Difference | 0.49 (1.10) | 0.51 (1.19) |
|
aRepeated-measures analysis of covariance (ANCOVA) was used to examine the differences between groups.
bBaseline refers to the beginning of the 2-week study period.