Clinical perspective, offered as context rather than as advice. 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.
I would rather be corrected than agreed with, if it comes to it.
dan_philly 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…
Coming at dan_philly’s question from a different direction. If two explanations both fit, the useful question is which one predicts something the other does not. That is answerable; arguing about which sounds more plausible is not.
Happy to go further on any of that.
One concrete data point for the thread. If you are comparing against somebody else’s result, check that you are comparing the same measurement taken the same way. Most of the apparent contradictions in these threads dissolve at that step.
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Shop Reference StandardsOne thing that is still open after dan_philly’s answer:
How would you tell the difference between that and the alternative explanation?