Adding the clinical framing, because it changes how the question reads. Order of operations matters more than any single choice here: establish a baseline, change one thing, wait long enough for it to express itself, then measure again under the same conditions.
One concrete data point for the thread. 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.
That is the short version; the long version is somebody else's post.
Following on from Dr.AddMedPHL — and this may be the naive question:
How would you tell the difference between that and the alternative explanation?
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View ResultsFDA_TrackerJim said:One habit that pays for itself: post the method alongside the number.
Pushing back on FDA_TrackerJim here. Filing an objection on the n=1 problem. Personal experience is genuine evidence about one person and very weak evidence about anybody else, and this thread keeps promoting the first into the second.
Moderator note: two posts asking for a source have been merged into one. Please search the thread before asking again. Tagging this one for the weekly digest.