What do you mean? The article implies it from the title through the text. They h...

		Aurornis 3 months ago \| parent \| context \| favorite \| on: Installing air filters in classrooms has surprisin... What do you mean? The article implies it from the title through the text. They hedge by saying “could” but like most articles in this vein it goes on to pivot around the outlier study.

Ah! I just skipped the article. The paper is much more straightforward.