Table 2.
Comparison of scores (theoretical knowledge) between two groups before and after teaching
| Items | Pretest | Posttest | ||||||
|---|---|---|---|---|---|---|---|---|
| Control | PAL | t | P | Control | PAL | t | P | |
| Concept and classification of VD-related diseases | 8.85 ± 3.00 | 8.24 ± 2.80 | 1.47 | 0.14 | 13.01 ± 3.27 | 15.23 ± 2.84 | −5.10 | < 0.01 |
| Symptoms of different VD-related diseases | 8.08 ± 3.17 | 8.00 ± 2.41 | 0.20 | 0.84 | 11.35 ± 2.57 | 12.53 ± 2.13 | −3.49 | < 0.01 |
| Signs of different VD-related diseases | 7.96 ± 1.67 | 7.68 ± 2.09 | 1.05 | 0.29 | 11.49 ± 2.67 | 15.58 ± 2.68 | −10.72 | < 0.01 |
| Treatment of different VD-related diseases | 8.44 ± 2.28 | 8.34 ± 2.10 | 0.32 | 0.75 | 11.17 ± 2.63 | 13.43 ± 2.68 | −5.99 | < 0.01 |
| Diagnosis and differential diagnosis | 9.32 ± 1.92 | 8.66 ± 1.73 | 2.56 | 0.01 | 12.59 ± 2.06 | 13.85 ± 1.97 | −4.41 | < 0.01 |
| Total score | 42.66 ± 6.68 | 40.92 ± 5.77 | 1.96 | 0.06 | 59.62 ± 6.78 | 70.62 ± 6.03 | −12.06 | < 0.01 |