|
Performance on the examination: CD-ROM versus live lecture format |
|||||
| Mean |
SD |
No. |
p-value |
||
|
|
|||||
| Items from CAD and renal failure (lecture format the same for each group) |
Live lecture |
4.42 |
1.08 |
12 |
|
| CD-ROM |
4.88 |
2.00 |
17 |
||
| t-test† |
0.22 (one-tailed) |
||||
| Mann Whitney U |
0.56 (exact test) |
||||
| Levene's Test for equality of variances |
0.026 |
||||
| Items from other four lectures (lecture format differed for control & treatment groups) |
Live lecture |
9.25 |
3.11 |
12 |
|
| CD-ROM |
9.00 |
2.72 |
17 |
||
| t-test† |
0.41 (one-tailed) |
||||
| Mann Whitney U |
0.91 (exact test) |
||||
| Levene's Test for equality of variances |
0.96 |
||||
|
†The t-test was calculated based on unequal variances. Differences in variances were tested via a Levine test and found to be statistically different in the two groups. ‡The t-test was calculated based on equal variances. Differences in variances were tested via a Levine test and found not to be statistically different in the two groups. | |||||
Solomon et al. BMC Medical Education 2004 4:27 doi:10.1186/1472-6920-4-27 |
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