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## Weighted Mean Difference

*Aka: Weighted Mean Difference*

- See Also
- Definition
- Weighted Mean Difference (WMD)
- Used in meta-analysis for continuous numerical measurements
- Each study in a meta-analysis is weighted based on variance

- Weighted Mean Difference (WMD)
- Interpretation
- Weighted Mean Difference (WMD) >0 suggests benefit to an intervention (if Confidence Interval does not the 0-line)