Table 19 Questions’ difficulty and discrimination indices using IRT (test-one)
From: Evaluating the quality of the ontology-based auto-generated questions
Q | Difficulty index | Discrimination index |
|---|---|---|
1 | Medium (-0.030) | Moderate (0.986) |
2 | Very easy (-2.603) | Low (0.484) |
3 | Easy (-1.800) | Perfect (1.712) |
4 | Medium (-0.374) | Moderate (1.043) |
5 | Difficult (0.837) | Moderate (0.740) |
6 | Very difficult (7.354) | Very low (0.071) |
7 | Medium (-0.131) | Moderate (1.073) |
8 | Easy (-0.515) | High (1.458) |
9 | Easy (-0.584) | High (1.421) |
10 | Difficult (0.854) | Moderate (0.972) |
11 | Very difficult (3.323) | Moderate (0.779) |
12 | Medium (-0.133) | High (1.500) |
13 | Medium (-0.391) | Moderate (1.305) |
14 | Medium (0.072) | Moderate (1.105) |