The Misuse of Meta-Analysis?

Over at Data Colada, Uri Simonsohn argues that The Funnel Plot is Invalid.

Funnel plots are a form of scatter diagram which are widely used to visualize possible publication bias in the context of a meta-analysis. In a funnel plot, each data point represents one of the studies in the meta-analysis. The x-axis shows the effect size reported by the study, while the y-axis represents the standard error of the effect size, which is usually inversely related to the sample size.

In theory, t

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