Table 3 Comparison of performance of experimental group with the control group of students in the post-COPT blocks (The means of the difference from the control group).
Batches | In comparison with | Mean (± SEM) | P-value |
|---|---|---|---|
March 2003 | September 2003 | 1.48 (0.61) | 0.04 |
| Â | March 2004 | 5.41 (0.61) | <0.001 |
| Â | September 2004 | 1.61 (0.61) | 0.05 |
September 2003 | March 2004 | 3.93 (0.62) | <0.001 |
| Â | September 2004 | 0.13 (0.61) | 1.00 |
March 2004 | September 2004 | 3.79 (0.61) | <0.001 |