anders_CPH 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.
This is my experience too, for whatever a second data point is worth. The detail I would add is minor and it is already implied above.
anders_CPH 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.
The figures, for anyone assembling their own picture. Practical: whatever you change, write down the date and the reason. In three months the reason is what you will have forgotten, and the reason is what makes the record worth having.
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Shop Reference StandardsOP back with an update, since a thread like this is useless without one.
Reporting back with a partial result, because a partial result is still better than silence. Two of the three things suggested helped; I cannot separate them and I am not going to pretend otherwise.