sarah_TO said:It helps to say which part of this you are uncertain about.
Adding the part of the answer the thread has not reached. 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. Say what you would expect to see if you were wrong, before you look. It is a small discipline and it changes what you notice.
Correct me if the detail matters more than I have assumed.
One thing that is still open after sarah_TO’s answer:
How would you tell the difference between that and the alternative explanation?
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Shop Reference Standardsraj_cambridge said:Say what you would expect to see if you were wrong, before you look.
Worth saying that the confident version of this is more useful to the person writing it than to the person reading it.
raj_cambridge said:Say what you would expect to see if you were wrong, before you look.
True, and it depends on a baseline nobody has stated. Without knowing where someone started, the same number can be an excellent result or a disappointing one.