The reason we developed experimental methods is because you can’t just look at what happened and say what caused it. That’s *the problem* we addressed with experiments. So it’s bizarre that people push ‘real world’ studies as an improvement over RCTs.
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@GidMK : was this the essence of the Framingham study? Enroll a bunch of folks, measure as much as you can periodically and then follow them for decades.Thanks. Twitter will use this to make your timeline better. UndoUndo
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