Comment by wbronitsky | Hacker News Reader

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Comment by wbronitsky | Hacker News Reader

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The sampling was not random; they got their participants from a Facebook ad.

https://www.medrxiv.org/content/10.1101/2020.04.14.20062463v...

So, about as random as this Facebook survey then?

Yes, in that neither of them are random

No idea if Facebook did that, but they do know demographic profile of responders, so they could correct data to make it more stat sig.

The people who chose to respond to this ad were probably a very biased sample of the population:

https://twitter.com/foxjust/status/1251270848075440133/photo...

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