Table 2.
The Kuder–Richardson Formula 20 (KR20) tests for the reliability of the formative examinations. The formative examinations had KR20 values that range between 0.19 and 0.90 for 2019 and 0.58 and 0.88 for 2020. The scores for both years were high, indicating the strong reliability of the formative examinations
| Yr 2020 Mean ± S.E |
Yr 2019 Mean ± S.E |
P-value | 2019 KR 20 | 2020 KR 20 | |
|---|---|---|---|---|---|
| Quiz 1 | 98.12 ± 0.13 | 99.36 ± 0.16 | > 0.05 | 0.19 | 0.28 |
| Quiz 2 | 99.13 ± 0.17 | 99.37 ± 0.24 | > 0.05 | 0.18 | 0.26 |
| Quiz 3 | 94.76 ± 0.15 | 94.29 ± 0.16 | > 0.05 | 0.61 | 0.52 |
| Quiz 4 | 96.98 ± 0.21 | 77.30 ± 0.24 | < 0.05 | 0.63 | 0.29 |
| Quiz 5 | 93.97 ± 0.20 | 91.63 ± 0.18 | < 0.05 | 0.34 | 0.33 |