Quality
Rating
|
Definition
|
Intervention research
|
High
****
|
Further research is very unlikely to change the confidence in the estimate of effect
|
- RCTs
- Quasi-experimental research and repeated n=1 studies with effect, process and cost-efficiency evaluation conducted
|
Moderate
***
|
Further research is likely to have an important impact on the confidence in the estimate of effect and may change the estimate
|
- Quasi-experimental research and repeated n=1 studies with effect evaluation conducted but no process and/ or cost-efficiency evaluation results
|
Low
**
|
Further research is very likely to have an important impact on the confidence in the estimate of effect and is likely to change the estimate
|
- Quasi-experimental research and repeated n=1 studies with process and/ or cost-efficiency evaluation results but without an effect evaluation being conducted
- Observational studies providing useful information for identifying possible associations and with process and/ or cost-efficiency evaluation being conducted
|
Very low
*
|
Any estimate of effect is uncertain
|
- Observational studies with process and/ or cost-efficiency evaluation conducted but without providing useful information for identifying possible associations
|