The results of a meta-analysis are always unbiased because they take into account the findings of multiple studies.

Question

Quizplus · Accepted Answer

The results of a meta-analysis may still be biased if the studies included in the analysis themselves have biases or if there are publication biases (i.e. studies with negative or null findings are less likely to be published and therefore less likely to be included in the analysis).

The Results of a Meta-Analysis Are Always Unbiased Because They