Student group | Test variable | Intervention | Test statistics (z) | Significance (p) | Effect size (r) | |
---|---|---|---|---|---|---|
Pre | Post | |||||
Median (IQR) | Median (IQR) | |||||
Traditional (N = 19) | Conceptual knowledge | 8.0 (7–9) | 9.0 (9–10) | -2.770 | 0.006** | 0.45 |
Procedural knowledge | 7.0 (7–9) | 7.0 (7–9) | -0.926 | 0.355 | 0.15 | |
Total knowledge | 16.0 (13–17) | 17.0 (15–19) | -2.289 | 0.022* | 0.37 | |
Experimental (N = 22) | Conceptual knowledge | 9.0 (6–9) | 10.0 (9–10) | -2.677 | 0.007** | 0.40 |
Procedural knowledge | 6.0 (4.75–7) | 8.0 (7–9) | -2.915 | 0.004** | 0.44 | |
Total knowledge | 14.5 (11–16) | 17.0 (17–19) | -3.141 | 0.002** | 0.47 |