Are you confused by how often fringe viewpoints seem to be promoted by surprisingly large numbers of people online? Let me introduce you to survivorship bias
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But there's a problem. You see, people who have filled their prescription are different in important ways to people who haven't It's hard to fill your prescription, for example, if you have been readmitted to hospital!pic.twitter.com/cefjFggy9e
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A group of researchers did this exact analysis, comparing different methods of analyzing the data, and they found that if you don't take into account the survival bias you SIGNIFICANTLY overestimate the effectiveness of the drugspic.twitter.com/QX5KpvDawh
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Because you are only looking at survivors - people who stayed out of hospital long enough to fill their prescription - you think that the drug is far more effective than it actually ispic.twitter.com/g8IjjY2CmA
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So what does this mean for twitter and other online experiences? Well, generally speaking, we mostly see 'survivors' being vocal on a topicpic.twitter.com/vbNNzCk69O
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You only see people who have lost a lot of weight promoting certain diets You rarely see people who it didn't work forpic.twitter.com/QlsQLryE0o
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It often feels like there are vast hordes of Flat Earthers, but that's just because the 99.9% of people who looked into Flat Earth and thought "Well this is a crock of faux-intellectual buffoonery" don't go online and rant about their experiencepic.twitter.com/TMwL7YHjEu
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When you feel like everyone online is espousing an absurd fringe belief, remember: chances are you're only seeing the survivorspic.twitter.com/Y6jW0q1d4U
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End of conversation
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