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Summary of student scores on content questionsa
| Question type | Pretest mean % correct (correct/total points) | Posttest mean % correct (correct/total points) | Paired t test p value |
|---|---|---|---|
| All content questions | 74 (24.5/33) | 86 (28.5/33) | 0.002 |
| Genetics | 81 (13/16) | 88 (14.1/16) | 0.03 |
| Methodology | 62 (6.8/11) | 81 (8.9/11) | 0.004 |
| Data quality/interpretation | 79 (4.7/6) | 91 (5.5/6) | 0.006 |
an = 11.
