Hypothesis tests for population heterogeneity in meta-analysis.

@article{Viechtbauer2007HypothesisTF,
  title={Hypothesis tests for population heterogeneity in meta-analysis.},
  author={Wolfgang Viechtbauer},
  journal={The British journal of mathematical and statistical psychology},
  year={2007},
  volume={60 Pt 1},
  pages={
          29-60
        }
}
Choice of the appropriate model in meta-analysis is often treated as an empirical question which is answered by examining the amount of variability in the effect sizes. When all of the observed variability in the effect sizes can be accounted for based on sampling error alone, a set of effect sizes is said to be homogeneous and a fixed-effects model is typically adopted. Whether a set of effect sizes is homogeneous or not is usually tested with the so-called Q test. In this paper, a variety of… CONTINUE READING
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