Table 3. Analysis of variance between pre- and post-training test items.

Subjects	Factors	F	ANOVA (p)
Respiratory	Difficulty Index (P)	4.964	0.027
	Discrimination Index (DI)	1.053	0.306
	Non-function distractors (NFD)	0.687	0.408
	Bloom's taxonomy levels	0.622	0.431
	Items writing flaws (IWF)	25.711	0.000
Cardiovascular	Difficulty Index (P)	6.253	0.013
	Discrimination Index (DI)	0.872	0.352
	Non-function distractors (NFD)	0.073	0.788
	Bloom's taxonomy levels	5.154	0.025
	Items writing flaws (IWF)	18.231	0.000
Renal	Difficulty Index (P)	7.852	0.006
	Discrimination Index (DI)	0.422	0.517
	Non-function distractors (NFD)	8.566	0.004
	Bloom's taxonomy levels	10.889	0.001
	Items writing flaws (IWF)	3.833	0.050