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Is it worth closing the lid on a toilet before flushing?
(lemmyrs.org)
This community is for people to ask questions they feel stupid for not knowing the answer or how to find the answer. "How do I not already know this?"
Those are fascinating findings; I wouldn't expect that in some ways lid-down is worse...
It makes sense in some regards because with the lid closed you don't have air flow so therefore you would have microdroplets suspended in the air in the bowl. I'd rather a longer loiter time in the bowl than dispersion into the greater area.
I just re-read your link it to see if it mentions where the sensors are; I'd assumed the sensors were outside the bowl since that's what people are interested in but it doesn't say.
The paper is available, but as a layman the "read full text" path just takes me in a circle.