Table 4

Reproduction of the Review Quality Instrument (RQI).12

RQI
Q1. Did the reviewer discuss the importance of the research question?
1	2	3	4	5
Not at all				Discussed extensively
Q2. Did the reviewer discuss the originality of the paper?
1	2	3	4	5
Not at all				Discussed extensively with references
Q3. Did the reviewer clearly identify the strengths and weaknesses of the method (study design, data collection and data analysis)?
1	2	3	4	5
Not at all				Comprehensive
Q4. Did the reviewer make specific useful comments on the writing, organisation, tables and figures of the manuscript?
1	2	3	4	5
Not at all				Extensive
Q5. Were the reviewer’s comments constructive?
1	2	3	4	5
Not at all				Very constructive
Q6. Did the reviewer supply appropriate evidence using examples from the paper to substantiate their comments?
1	2	3	4	5
None substantiated		Some substantiated		All substantiated
Q7. Did the reviewer comment on the author’s interpretation of the results?
1	2	3	4	5
Not at all				Discussed extensively
Q8. How would you rate the tone of the review?
1	2	3	4	5
Abusive				Courteous