Table 2 Scores on pre- vs. post-tests, Year 1. Data are mean scores (%±SD) for each group and subgroup
From: Interactive Evolution Modules Promote Conceptual Change
|  | Year 1 pre- vs. post-test scores (%±S.D.) | |||
|---|---|---|---|---|
Pre-test | Post-test | P= | ||
Group 1 Interactive website | Total | 51.0 ± 8.4 | 57.5 ± 11.1 | .001 |
<80% (N = 26) | 50.0 ± 7.4 | 54.8 ± 10.1 | .05 | |
≥80% (N = 25) | 52.0 ± 9.3 | 60.2 ± 11.7 | .008 | |
Group 2 PDF only | Total | 48.6 ± 10.4 | 58.4 ± 11.3 | <.001 |
<80% (N = 20) | 49.5 ± 9.7 | 54.9 ± 12.2 | .14 | |
≥80% (N = 23) | 47.9 ± 11.1 | 61.3 ± 9.8 | <.001 | |
Group 3 Questions and PDF | Total | 52.3 ± 8.0 | 59.0 ± 11.4 | <.001 |
<80% (N = 30) | 52.1 ± 8.8 | 56.5 ± 11.1 | .09 | |
≥80% (N = 23) | 52.5 ± 7.0 | 62.2 ± 11.2 | <.001 | |