PeptideChemSF said:If you are comparing against somebody else’s result, check that you are comparing the same measurement taken the same way.
That reframing is the part I needed.
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.
julia.endo said:The honest answer is that the effect is real, the magnitude is contested, and the individual variation is larger than either.
Adding a me-too, because a thread of one person's experience is not much use.
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Shop Reference Standardsjulia.endo said:The honest answer is that the effect is real, the magnitude is contested, and the individual variation is larger than either.
Adding the part of the answer the thread has not reached. Most of what circulates confidently in this community traces back to one summary of one study, and the qualifier was dropped somewhere in the third retelling.
Ask again with the specifics and you will get a better answer than this one.
Reporting back.
Closing the loop. The answer turned out to depend on the detail I had left out of the opening post, which is a lesson about how to ask rather than about the subject.