Question | Â | YES | NO | UNSURE |
---|---|---|---|---|
1 | Does the study provide a comparison ofperformance of alternative methods? If YES, it is a comparative study. If NO, it is a single method study. | Â | Â | Â |
FOR COMPARATIVE STUDIES ONLY | ||||
1.1 | Is the comparator method used appropriate? (e.g., used in context where it was originally developed for use with regard to spatial scale,land use, etc.)[the question does not preclude use of innovative methods applied in a new field] | Â | Â | Â |
1.2 | Were the alternative methods applied to thesame location? (excluding chronosequence studies for carbon stock changes) | Â | Â | Â |
1.3 | Were the alternative methods applied within a reasonable time frame? (e.g., month, growing season) | Â | Â | Â |
FOR ALL STUDIES | ||||
2. | Are the accuracy and precision statistics (e.g., means, variances) of methods provided? | Â | Â | Â |
3. | Does the study report on other variables that may have influenced the accuracy, precision, validity or repeatability of the methods? | Â | Â | Â |
FURTHER CRITERIA FOR STUDIES SCORING "YES" FOR QUESTIONS 1-3 | ||||
4. | Are the locations for measurements clearly identified? | Â | Â | Â |
5. | Are all data points included in the analyses? | Â | Â | Â |