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by irq11
1984 days ago
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I “cherry picked“ no other studies for this thread. The DAMASK study is literally the only RCT ever run for masks and Covid. You may not like it or what it says, but its much higher quality than any of these uncontrolled, correlative, pro-mask “papers” that have been rushed out since March. > It did not attempt to measure the effect on transmission from the mask wearer to others at all. Because you can’t. Short of locking a group of people
in a room with infected people and seeing who gets
it, thats an unfalsifiable
hypothesis. Fortunately, we know that masks are not magically effective in one direction
only, and if they don’t work in one direction.... |
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Here: https://news.ycombinator.com/item?id=25680698
> You may not like it or what it says, but its much higher quality than any of these uncontrolled, correlative, pro-mask “papers” that have been rushed out since March.
I showed you why it is not.
> Because you can’t.
And here you admit as much — that this study is useless to measure the effect of a mask mandate.
> Short of locking a group of people in a room with infected people and seeing who gets it, thats an unfalsifiable hypothesis.
And here you admit that it is impossible to do a study that proves the effectiveness of masks to the degree that would satisfy you. In the absence of such studies, we have to rely on our priors, which are based on laboratory-proven effectiveness of masks in reducing the distance and the mass of virus particle spread from the wearer combined with what we know about germ theory.
> if they don’t work in one direction....
You somehow ignored that your study does not show that it does not work in either direction. It was not designed to measure effectiveness in one direction, and it was not powered to measure effectiveness in the other direction.