ChristianKl comments on Too good to be true - LessWrong
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Comments (119)
Not all statistical analysis has to be preregistered. If a data has a trend that suggest vaccination might reduce autism I'm sure the researchers would run a test for it.
If the study is underpowered to find a effect in that direction it's also like to be underpowered to find a effect in the other direction.
Can someone with more statistical expertise run a test to see whether the studies are underpowered to pick up effects in either direction?