Placebo effect would be a bitch.
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Well, there is one such trial, but... https://www.bmj.com/content/bmj/363/bmj.k5094.full.pdf …pic.twitter.com/04BvfvggGY
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That's incorrect though. They totally did that for the first few months of combat flight in WWI and for several airliners that broke up mid-flight. Outcomes are generally poorer without a parachute.
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That's not randomized or controlled, that's an observational study That's the whole point (we have plenty of observational evidence that transition saves lives too but it's not "scientific" enough)
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I had to switch accounts to see what you were retweeting, because she blocked me for pointing out how ignorant and ableist her response to conversation templates was.
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