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Table 3 List of the 16 criteria used to assess the methodological quality of the studies included in the review

From: What is the effectiveness of obesity related interventions at retail grocery stores and supermarkets? —a systematic review

#

Criteria

Mean

S.D.*

#

Criteria

Mean

S.D.*

1

Explicit theoretical framework

1.88

0.77

9

Statistical assessment of reliability and validity of measurement tool(s) (Quantitative only)

1.03

1.12

2

Statement of aims/objectives in main body of report

2.93

0.26

10

Fit between stated research question and method of data collection (Quantitative only)

2.05

0.75

3

Clear description of research setting

2.98

0.15

11

Fit between stated research question and format and content of data collection tool e.g. interview schedule (Qualitative only)

2.26

0.65

4

Evidence of sample size considered in terms of analysis

0.88

1.23

12

Fit between research question and method of analysis (Quantitative only)

2.28

0.64

5

Representative sample of target group of a reasonable size

1.69

0.72

13

Good justification for analytic method selected

1.26

1.01

6

Description of procedure for data collection

2.93

0.26

14

Assessment of reliability of analytic process (Qualitative only)

1.00

0.88

7

Rationale for choice of data collection tool(s)

2.17

0.79

15

Evidence of user involvement in design

1.29

1.17

8

Detailed recruitment data

1.95

1.06

16

Strengths and limitations critically discussed

2.29

0.97

  1. # stands for criteria number; *S.D. is short for standard deviation