Spotify playlists for workout motivation — my results so far

TrialTracker_MD 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…

I read this differently from TrialTracker_MD, on substance rather than tone. The objection nobody has made: this only works if the measurement is doing what we assume it is doing, and that assumption has not been tested here.

TrialTracker_MD 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…

No disagreement with TrialTracker_MD. One condition attached. Yes, and the corollary is less popular: if the reasoning holds, it also holds where it produces an answer we do not like.

TrialTracker_MD 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…

This is exactly what I could not find anywhere else.

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.

Closing the loop on my own question.

Following up because I said I would. I changed one thing, left everything else alone, and waited the full interval before looking. It resolved, and I cannot prove which half of that did it.