Table 2 Classification of the exam items according to their discrimination index (n = 59)
Range | Interpretation | Frequency | Percentage |
|---|---|---|---|
≤ 0.20 | Non discriminating | 8 | 13.6 |
0.21–0.24 | Acceptable | 10 | 16.9 |
0.25–0.34 | Good | 0 | 0 |
≥ 0.35 | Excellent | 41 | 69.5 |
Total | 59 | 100.0 | |