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zeynep's profile
zeynep tufekci
zeynep tufekci
zeynep tufekci
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zeynep tufekciVerified account

@zeynep

Complex systems, wicked problems. Society, technology, science and more. @UNC professor. @NYTimes columnist. My newsletter is @insight: http://www.theinsight.org 

floating in a most peculiar way
theinsight.org
Joined August 2009

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    1. zeynep tufekci‏Verified account @zeynep 2 Jun 2020

      Important.‼️ That severely under-powered study (n=4) that allegedly showed cloth masks were ineffective in blocking SARS-CoV-2? My co-authors argued that it had errors in it (and took a lot of grief for that). It has been *retracted* because of errors. https://www.acpjournals.org/doi/10.7326/L20-0745 …pic.twitter.com/hLg42uKkhp

      21 replies 616 retweets 1,490 likes
      Show this thread
    2. zeynep tufekci‏Verified account @zeynep 2 Jun 2020

      Look, errors happen. We're all rushing to publish, and given the emergency that's necessary. But there is a robust preprint *and* post peer-review criticism process that's been great. Reporters have to embed within the scientific community to follow this and report accordingly.

      2 replies 15 retweets 163 likes
      Show this thread
    3. zeynep tufekci‏Verified account @zeynep 2 Jun 2020

      That now-retracted study was underpowered to the point of no use *and* it had math and interpretability problems. The opposite of don't publish quackery isn't parrot peer-reviewed studies without reflection. There's a process. It's messy. But it bends towards empirical validity.

      1 reply 17 retweets 135 likes
      Show this thread
    4. zeynep tufekci‏Verified account @zeynep 2 Jun 2020

      That single paper which was already worth very little before the retraction was cited very very widely as evidence that cloth masks don't work. Hopefully, the retraction will be just as big news. *waits*

      4 replies 39 retweets 183 likes
      Show this thread
    5. zeynep tufekci‏Verified account @zeynep 2 Jun 2020

      (This one my followers may not like to hear). Similarly, evidence is not *yet* conclusive on hydroxychloroquine harms or lack of benefit. One Lancet study everyone cites has real issues and is observational only. One unblinded RCT found no harms. Let randomized studies conclude.

      13 replies 9 retweets 125 likes
      Show this thread
    6. zeynep tufekci‏Verified account @zeynep 2 Jun 2020

      zeynep tufekci Retweeted Jeremy Howard

      Here's the letter my co-authors had sent on that now retracted "cloth masks don't work" study (42 citations on Google Scholar already and countless news articles). Note: it was always so underpowered that it was fairly useless even without these errors.https://twitter.com/jeremyphoward/status/1267832478502391813 …

      zeynep tufekci added,

      Jeremy Howard @jeremyphoward
      Replying to @zeynep
      https://twitter.com/jeremyphoward/status/1267825562078203907 …
      1 reply 11 retweets 61 likes
      Show this thread
      zeynep tufekci‏Verified account @zeynep 2 Jun 2020

      zeynep tufekci Retweeted Carl T. Bergstrom

      Again, folks, errors happen. But there really is a robust meta-review process among the scientific community right now—from preprint to peer-review to post peer-review. It's a real community working hard, debating, checking. Reporting should include this.https://twitter.com/CT_Bergstrom/status/1267659926811230209 …

      zeynep tufekci added,

      Carl T. BergstromVerified account @CT_Bergstrom
      Remember that paper that said masks don't work because if you cough through them on a petri dish, some viral RNA gets through? Retracted because the authors didn't understand their own methodology and drew meaningless conclusions. h/t @dylanhmorris https://www.acpjournals.org/doi/10.7326/L20-0745 … pic.twitter.com/5YnVratp0W
      Show this thread
      8:24 AM - 2 Jun 2020
      • 28 Retweets
      • 108 Likes
      • KBK📎 Calalily zach russo AngelaM 💖😷🌕🌏❄️ Mike Mulcahy sedat kapanoğlu Kurt Weinschenker klaudia amenábar joe janecek
      2 replies 28 retweets 108 likes
        1. New conversation
        2. zeynep tufekci‏Verified account @zeynep 2 Jun 2020

          Here's our own preprint on masks for reducing *transmission* of COVID, now in version two because we got a lot of useful feedback to version one and systematically went through and updated our paper with clarifications, additions and fixed a few errors! https://www.preprints.org/manuscript/202004.0203/v2 …pic.twitter.com/m9HyorltZp

          4 replies 27 retweets 77 likes
          Show this thread
        3. zeynep tufekci‏Verified account @zeynep 3 Jun 2020

          zeynep tufekci Retweeted zeynep tufekci

          Media: please plug into the scientific community and its current pre- *and* post- peer review process before running with the headlines. Remember my warning about the Lancet study on HCQ harms? Even more questions about it now. Wait. For. RCTs. To. End.https://twitter.com/zeynep/status/1264671101587804172 …

          zeynep tufekci added,

          zeynep tufekciVerified account @zeynep
          People should stop making scary declarations about HCQ. As of yet, there is no evidence of harm. The observational studies are good to have, but there are actual randomized trials going on. They urgently checked and found *no* indication of harm, yet, and the trial is continuing. https://twitter.com/rfsquared/status/1264638707916832768 …
          Show this thread
          3 replies 11 retweets 56 likes
          Show this thread
        4. zeynep tufekci‏Verified account @zeynep 3 Jun 2020

          Article with many questions about that observational Lancet study alleging harms from hydroxychloroquine. This doesn't mean there are no harms, but a randomized trial was stopped and checked and none was found. It also doesn't mean it's beneficial. Wait!https://www.sciencemag.org/news/2020/06/mysterious-company-s-coronavirus-papers-top-medical-journals-may-be-unraveling …

          1 reply 7 retweets 39 likes
          Show this thread
        5. zeynep tufekci‏Verified account @zeynep 3 Jun 2020

          Despite many alarmist headlines and the polarized social media chatter about hydroxychloroquine, many scientists from top institutions questioned that Lancet study because.. well, there were questions. There's a process. It is messy but it does bend toward empirical validity.

          1 reply 6 retweets 50 likes
          Show this thread
        6. zeynep tufekci‏Verified account @zeynep 3 Jun 2020

          zeynep tufekci Retweeted T. K. Rengarajan  🇺🇸

          Yes, it's hard to stop him from hijacking people's minds. But important to try. Recent reporting and social media reaction on hydroxychloroquine has been less than stellar, and has actually harmed our ability to understand potential harms or benefits.https://twitter.com/trengarajan/status/1268162690570051584 …

          zeynep tufekci added,

          T. K. Rengarajan  🇺🇸 @trengarajan
          I love the quote! The opposite of extremism is moderation, not compensating extremism. If the tabloid president loves HCQ, we don’t need to immediately hate it. 🙏🏾 https://twitter.com/zeynep/status/1264679945906905099 …
          2 replies 4 retweets 29 likes
          Show this thread
        7. zeynep tufekci‏Verified account @zeynep 3 Jun 2020

          Here we go. That Lancet study on hydroxychloroquine may well be retracted. Folks, many scientists *warned* about this study as soon as it was published. Peer review catches most crap, and we also catch what gets through. Wait. Listen. Don't sensationalize. https://www.theguardian.com/world/2020/jun/03/covid-19-surgisphere-who-world-health-organization-hydroxychloroquine …

          4 replies 39 retweets 87 likes
          Show this thread
        8. zeynep tufekci‏Verified account @zeynep 3 Jun 2020

          zeynep tufekci Retweeted zeynep tufekci

          Besides the fact that the Lancet HCQ study was observational with glaring problems of controlling for severity, a randomized trial on HCQ was unblinded as a result and found no harms. That's a very loud signal. I tried to warn and got a lot of push-back.https://twitter.com/zeynep/status/1264671101587804172 …

          zeynep tufekci added,

          zeynep tufekciVerified account @zeynep
          People should stop making scary declarations about HCQ. As of yet, there is no evidence of harm. The observational studies are good to have, but there are actual randomized trials going on. They urgently checked and found *no* indication of harm, yet, and the trial is continuing. https://twitter.com/rfsquared/status/1264638707916832768 …
          Show this thread
          4 replies 8 retweets 32 likes
          Show this thread
        9. zeynep tufekci‏Verified account @zeynep 3 Jun 2020

          Just like the non evidence-based beach/park shaming, the sensationalized & rushed reporting of and social media reaction to potential HCQ harms will do enormous harm to what we do need: more science, but one that is seen through a messy but now strikingly robust and fast process.

          4 replies 5 retweets 46 likes
          Show this thread
        10. zeynep tufekci‏Verified account @zeynep 3 Jun 2020

          zeynep tufekci Retweeted LeonardJamesAkaar 🧢

          Find the people who didn't; find the people who try to fight their own instincts and ideological priors; find the people who admit errors. The last one might be the most important. Errors are unavoidable. It's the process that works, not any single stance.https://twitter.com/LJAkaar67/status/1268185055546900480 …

          zeynep tufekci added,

          LeonardJamesAkaar 🧢 @LJAkaar67
          Replying to @zeynep
          What I find notable and depressing was how eagerly and rapidly scientists (and pundits with some amount of scientific background) were to jump all in on "HCQ is worthless or harmful" -- a real demonstration of the harms and errors of mixing one's politics with one's science
          4 replies 11 retweets 58 likes
          Show this thread
        11. zeynep tufekci‏Verified account @zeynep 4 Jun 2020

          zeynep tufekci Retweeted The Lancet

          Aaaand, that Lancet HCQ harms study is retracted. Again, please do note that the study had quickly raised concerns among the scientific community. It contradicted existing knowledge. There was an open letter by prominent scientists from top universities.https://twitter.com/TheLancet/status/1268613313702891523 …

          zeynep tufekci added,

          The LancetVerified account @TheLancet
          Today, three of the authors have retracted "Hydroxychloroquine or chloroquine with or without a macrolide for treatment of COVID-19: a multinational registry analysis" Read the Retraction notice and statement from The Lancet https://hubs.ly/H0r7gh50  pic.twitter.com/pB0FBj6EXr
          1 reply 13 retweets 47 likes
          Show this thread
        12. End of conversation

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