From the other side of the consultation, briefly. It is worth asking what the claim would look like if it were false. If nothing would look different, it is not a claim about the world and no amount of discussion will settle it.

Correct me if the detail matters more than I have assumed.

hank_denver 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 reframing is the part I needed. I will report back once I have actually tried it.

From the other side of the consultation, briefly. Start from the measurement rather than the conclusion. Almost every disagreement here turns out to be two people measuring different things and comparing the numbers anyway.

That is the short version; the long version is somebody else's post.

sean_dublin said:

Start from the measurement rather than the conclusion.

Adding a me-too, because a thread of one person's experience is not much use.

Moderator note: two posts asking for a source have been merged into one. Please search the thread before asking again. Carry on.