Table 5.

Mean number of functioning distractors of MCQs in the undergraduate medical qualification exam at DTU, 2021

Item characteristics	Category	Number of items	Mean # FDs	Std.dev	p-value
Difficulty index	Hard (0–0.29)	21	2.33	0.80	< 0.0001
	Desirable (0.3–0.7)	51	2.35	0.70
	Moderate easy (0.71–0.79)	19	1.68	0.67
	Easy (≥ 0.80)	29	0.52	0.69
Discrimination index	Negative (< 0)	37	2.02	1.04	0.3887
	Poor (0–0.19)	54	1.72	0.98
	Acceptable (0.2–0.29)	16	2.0	1.10
	Good (0.3–0.39)	10	1.6	0.63