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A '''meta-analysis''' is a statistical technique that combines the result of several studies in order to test a research hypothesis. Using the technique it may be possible to reach statistically significant conclusions, even where the results of the original underlying studies are themselves not statistically significant on their own.
A '''meta-analysis''' is a [[statistical]] technique that combines the result of several studies in order to test a research [[hypothesis]]. Using the technique it may be possible to reach statistically significant conclusions, even where the results of the original underlying studies are themselves not statistically significant on their own.
There are possible weaknesses to this approach:
There are possible weaknesses to this approach: