Avoiding zero between‐study variance estimates in random‐effects meta‐analysis

Volume: 32, Issue: 23, Pages: 4071 - 4089
Published: Oct 15, 2013
Abstract
Fixed-effects meta-analysis has been criticized because the assumption of homogeneity is often unrealistic and can result in underestimation of parameter uncertainty. Random-effects meta-analysis and meta-regression are therefore typically used to accommodate explained and unexplained between-study variability. However, it is not unusual to obtain a boundary estimate of zero for the (residual) between-study standard deviation, resulting in...
Paper Details
Title
Avoiding zero between‐study variance estimates in random‐effects meta‐analysis
Published Date
Oct 15, 2013
Volume
32
Issue
23
Pages
4071 - 4089
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