DataDave said:If you are comparing against somebody else’s result, check that you are comparing the same measurement taken the same way.
Bookmarking. The distinction being drawn above is the one nobody else makes.
Adding the clinical framing, because it changes how the question reads. 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.
andrew_nyc said: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.
Second this.
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Browse GL Biochemandrew_nyc said: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.
There is a second half to this that has not been said yet. 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.
Happy to go further on any of that.
Adding the numbers, since they settle part of this. Give anything pharmacological four weeks before you judge it, and give anything measured weekly a four-point rolling average before you call it a trend.