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The History of the Replication Crisis
I wanted to distinguish though two different things that we could mean when we're talking about the replication crisis. The first is someone tries to faithfully do the same study on the same population or almost identical populations, you know, trying to make it as close as possible to the original and doesn't find the same effect. The second is more of a generalizability issue where the effect is real on that exact population in that exact setting, but if you try to move it to a slightly different setting or a different population, it fails to generalize.