Table 3 The difficulty distribution of question bank
Questions | Easily 0.8 ≤ d ≤ 1 | Secondary 0.6 ≤ d < 0.8 | Difficult 0.3 ≤ d < 0.6 | Hard d < 0.3 |
|---|---|---|---|---|
Choice question | 24 | 72 | 47 | 17 |
Completion | 20 | 55 | 38 | 12 |
Noun interpretation | 19 | 48 | 23 | 10 |
Short answer questions | 11 | 30 | 18 | 7 |