A great future metascience project (dissertation for someone) would be to investigate what proportion of significant moderators from META-ANALYSES were ever subsequently tested with a direct well-powered study, and what proportion of those do/don't replicate.
It's been done before using previous and later metas. Moderators did generally not replicate was the conclusion. I think it was Schmidt and Hunter who did this or at least mentioned it in their book. Tldr have low priors for moderators because interactions are rare.
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Sort of discussed here, but not citing the study I'm thinking of (quoting 3rd edition). But this study is about right. …https://systematicreviewsjournal.biomedcentral.com/articles/10.1186/2046-4053-2-107 …pic.twitter.com/o4BdHIsfNS
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