julia.endo said:The distinction that resolves most of these threads is between what is true on average and what is true for one person.
Same pattern here, and in the same order. Nothing to add that would improve it.
dave_SLC said:Practical: whatever you change, write down the date and the reason.
This matches mine closely enough to be worth saying so out loud. Posting only so the count is not one.
dave_SLC said:Practical: whatever you change, write down the date and the reason.
Adding the part of the answer the thread has not reached. There is a difference between no evidence and evidence of no effect, and this subject is one where the two get swapped freely in both directions.
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Shop Reference StandardsThe figures, for anyone assembling their own picture. One habit that pays for itself: post the method alongside the number. A figure without its method cannot be checked, and an unchecked figure is how this community accumulates folklore.
If somebody has the primary source to hand I would rather cite it than paraphrase it.
Moderator note: good thread. Keeping it here rather than moving it, because the question is general enough to be useful. No action needed from anybody.