Table 2 Distribution of extended matching question (EMQ) items by difficulty and discrimination levels: frequencies and percentages (12 EMQ stems)
IA parameter | Item Difficulty | ||||
|---|---|---|---|---|---|
0.71–1 | 0.3–0.7 | < 0.3 | |||
Easy | Moderate | Difficult | |||
Item Discrimination | ≥ 0.4 | Very good | 6 (50%) | 0 | 0 |
0.21 to 0.39 | Good | 1 (8.3%) | 2 (16.7%) | 0 | |
0–0.2 | Poor | 1 (8.3%) | 0 | 2 (16.7%) | |
Negative | Negative | 0 | 0 | 0 | |