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by christopheraden 4120 days ago
>But if you look at the effect sizes, you see the five studies found nearly the same answers -- its just two of them didn't quite cross the threshold for significance.

This is why I wish meta-analysis was introduced much earlier than it is in statistics education. There are sensible ways of combining the information from the five studies, weighting them according to their sample size (provided the studies are similar in design and cohorts). =)