Following on from PharmacoVig_BOS — and this may be the naive question:
How would you tell the difference between that and the alternative explanation?
lisa_labSD said:If you are comparing against somebody else’s result, check that you are comparing the same measurement taken the same way.
I am going to disagree with the direction of travel here. The thread has converged on the tidiest answer rather than the best-supported one, and those are not the same thing.
If somebody has the primary source to hand I would rather cite it than paraphrase it.
lisa_labSD said:If you are comparing against somebody else’s result, check that you are comparing the same measurement taken the same way.
No disagreement, though it depends on where somebody is starting from, and this thread has been assuming a starting point nobody stated.
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Shop Reference Standardslisa_labSD said:If you are comparing against somebody else’s result, check that you are comparing the same measurement taken the same way.
Thank you for spelling out the reasoning rather than just the conclusion.
From the other side of the consultation, briefly. The honest answer is that the effect is real, the magnitude is contested, and the individual variation is larger than either. Those three things can all be true at once, and most arguments here are two people holding different parts of that.