Criteria | No of studies | Â | ||
---|---|---|---|---|
 | Yes | No | Unclear | N/A |
Quantitative studies | Â | Â | Â | Â |
Design and sample | Â | Â | Â | Â |
       Random or probability sample | 1 | 17 |  |  |
       Sample adequate size and representative | 17 |  | 1 |  |
       Inclusion criteria clearly defined | 4 | 12 | 2 |  |
       Measurement |  |  |  |  |
       Valid and reliable measures | 4 | 12 | 2 |  |
       Confounding factors identified and managed | 4 | 14 |  |  |
Statistical analysis | Â | Â | Â | Â |
       Appropriate statistics | 18 |  |  |  |
Qualitative studies | Â | Â | Â | Â |
Study design | Â | Â | Â | Â |
       Congruity between philosophical perspective & methodology | 6 |  | 4 |  |
       Congruity between research methodology and research question | 6 |  | 4 |  |
       Congruity between the research methodology & data collection methods | 7 |  | 2 | 1 |
       Participants and their voices are adequately represented | 5 | 5 |  |  |
       Influence of the researcher is addressed | 5 | 5 |  |  |
       Statement locating the researcher culturally or theoretically | 4 | 6 |  |  |
Analysis | Â | Â | Â | Â |
       Congruity between the research methodology & interpretation of results | 5 | 2 | 2 |  |
       Congruity between research methodology & presentation/ analysis | 6 | 1 | 3 |  |
Presentation of findings | Â | Â | Â | Â |
       Accords with current ethical criteria , evidence of ethical approval | 7 |  | 3 |  |
       Conclusions drawn flow from the data | 6 | 2 | 2 |  |
Mixed Methods | Â | Â | Â | Â |
Study design | Â | Â | Â | Â |
       Random or probability sample |  | 2 |  |  |
       Sample adequate size and representative | 1 | 1 |  |  |
       Confounding factors identified and managed |  | 2 |  |  |
       Mixed methods design is relevant to address the research question | 2 |  |  |  |
Measurement | Â | Â | Â | Â |
       Valid and reliable measures |  | 2 |  |  |
Analysis | Â | Â | Â | Â |
       Influence of the researcher is addressed |  | 2 |  |  |
       Conclusions drawn flow from the data |  | 1 | 1 |  |
       Appropriate consideration given to the limitations of the method |  | 1 | 1 |  |