Table 2.

The MERSQI^a domain and item scores for the 16 selected studies that meet the review criteria

Domain	Item	Studies N (%)	Score		Mean (SD)
			Item	Maximum Domain	Item	Domain
Study Design				3	1.13 (0.29)	1.13 (0.29)
1.Study Design
	Single group cross-sectional or single group post-test only	13 (81.3)	1
	Single group pre and post-test	2 (12.5)	1.5
	Non-randomized, 2 group	1 (6.3)	2
	Randomized controlled experiment		3
Sampling
2. Institutions				3	0.81 (0.48)	2.06 (0.92)
	Single institution	11 (68.8)	0.5
	Two institutions		1
	More than 2 institutions	5 (31.2)	1.5
3. Response Rate					1.25 (0.50)
	Not applicable	10 (62.5)	n/a
	Response rate < 50% or not reported	1 (6.3)	0.5
	Response rate 50–74%		1
	Response rate ≥ 75%	3 (18.8)	1.5
Type of Data
4. Type of Data				3	2.69 (0.75)	2.69 (0.75)
	Assessment by study subject	2 (12.5)	1
	Objective measurement	14 (87.5)	3
Validity of Evaluation Instruments’ Scores
	Not applicable	9 (56.3)	n/a
5. Internal Structure				3	0.50 (0.55)	1.17 (1.33)
	Not reported	3 (18.8)	0
	Reported	3 (18.8)	1
6. Content
	Not reported	3 (18.8)	0		0.50 (0.55)
	Reported	3 (18.8)	1
7. Relationships to other variables
	Not reported	5 (31.2)	0		0.17 (0.41)
	Reported	1 (6.3)	1
Data Analysis
8. Appropriateness of analysis				3	1.0 (0.0)	2.19 (0.40)
	Data analysis inappropriate for study design or type of data		0
	Data analysis appropriate for study design and type of data	16 (100)	1
9. Sophistication of analysis					1.19 (0.40)
	Descriptive analysis only	13 (81.2)	1
	Beyond descriptive analysis	3 (18.8)	2
Outcome
10. Outcome				3	1.37 (0.23)	1.37 (0.23)
	Satisfaction, attitudes, perceptions, opinions, general facts	4 (26.7)	1
	Knowledge, skills	11 (68.8)	1.5
	Behaviors		2
	Patient/health care outcome		3
TOTAL				18		10.6 (1.65)

^aMedical Education Research Study Quality Instrument