From the other side of the consultation, briefly. 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.
Dr.NateNeph said:The boring version of this is the one that works, and the boring version is: measure a baseline, change one variable, wait, measure again under the…
That is right for the common case. Whether it is right for the case being asked about depends on a detail that has not been given.
Dr.NateNeph said:The boring version of this is the one that works, and the boring version is: measure a baseline, change one variable, wait, measure again under the…
This is exactly what I could not find anywhere else.
Certified reference materials, analytical reagents, and research-grade standards for peptide verification. Trusted by laboratories worldwide.
Shop Reference StandardsAdding 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.
Moderator note: two posts asking for a source have been merged into one. Please search the thread before asking again. Report rather than reply if it drifts again.