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zeynep's profile
zeynep tufekci
zeynep tufekci
zeynep tufekci
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@zeynep

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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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    zeynep tufekci‏Verified account @zeynep 8 Nov 2020

    I have a new article in the New York Times discussing lack of randomized trials for masks for source-control for COVID. In my newsletter, I discuss what this debate/debacle reveals, not just about COVID denialism, but also about our public health response.https://zeynep.substack.com/p/on-randomized-trials-and-medicine …

    7:57 AM - 8 Nov 2020
    • 120 Retweets
    • 451 Likes
    • Allen Ayres The REAL MillerFinch wombot 👀 Vanessa Burnett James Bugden MaryAnn Holohean TheHealthPolicyGroup 💬 Ralph Baskett
    29 replies 120 retweets 451 likes
      1. New conversation
      2. zeynep tufekci‏Verified account @zeynep 8 Nov 2020

        Here's the NYT article. There are many thorny issues here: and it goes beyond this administrations many obvious failures, and as we move forward, it's absolutely imperative that we do not fall into easy answers on what happened, and what needs to happen.https://www.nytimes.com/2020/11/06/opinion/sunday/coronavirus-masks.html …

        7 replies 50 retweets 193 likes
        Show this thread
      3. zeynep tufekci‏Verified account @zeynep 18 Nov 2020

        zeynep tufekci Retweeted Noah Haber

        Ah, the Danish mask study is out. Lots of people who don't want to read it will try to make a mountain out of it but, as I wrote, it doesn't and cannot test source control—the reason for masks—and it had problems with both statistical power and compliance.https://twitter.com/NoahHaber/status/1329079700988129282 …

        zeynep tufekci added,

        Noah Haber @NoahHaber
        The DANMASK-19 trial is now published in Annals of Internal Medicine, alongside two editorials which discuss its limitations. DANMASK-19 trial https://www.acpjournals.org/doi/10.7326/M20-6817 … Frieden editorial: https://www.acpjournals.org/doi/10.7326/M20-7499 … Laine editorial: https://www.acpjournals.org/doi/10.7326/M20-7448 … pic.twitter.com/q6zwbrNhfi
        Show this thread
        7 replies 43 retweets 101 likes
        Show this thread
      4. zeynep tufekci‏Verified account @zeynep 18 Nov 2020

        But taken at face value, it would a great argument for increasing the quality of our own masks and for universal masking. (Because it would say cloth masks with poor compliance aren't enough to protect the wearer). Unfortunately, as authors note, too underpowered for conclusion.pic.twitter.com/ITbAJZ93ym

        7 replies 17 retweets 74 likes
        Show this thread
      5. zeynep tufekci‏Verified account @zeynep 18 Nov 2020

        Oh, man, it's going this now, no? No no having a confidence interval that large doesn't show "mask usage may increase the likelihood of infection." It says the study was statistically underpowered so the measurements couldn't be narrowly pinpointed. It's a CONFIDENCE INTERVAL.pic.twitter.com/N8vxKz2ABH

        7 replies 40 retweets 189 likes
        Show this thread
      6. zeynep tufekci‏Verified account @zeynep 18 Nov 2020

        And seriously, the reporting on this is, predictably terrible. This below is the NYT. Why this weird "both sides" framing? No, it's not just the critics that are noting these limitations. The study itself is well-written and IT'S THE AUTHORS THEMSELVES NOTING THESE LIMITATIONS.pic.twitter.com/UfAIDDngDm

        6 replies 43 retweets 213 likes
        Show this thread
      7. zeynep tufekci‏Verified account @zeynep 18 Nov 2020

        Look, the Danish study is weak and statistically underpowered. Too short, only measures impact of "recommending" rather than wearing masks, testing method has a false positive issue plus not measuring source-control. Okay, though. This is described in the paper. Not much to see.

        12 replies 22 retweets 121 likes
        Show this thread
      8. End of conversation
      1. New conversation
      2. Yochanan Rivkin‏ @rabbitulane 8 Nov 2020
        Replying to @zeynep

        Your article is undermined by your statement that there are "few downsides to a simple act of respiratory etiquette." The downsides are less than the cost of people being infected and dying of COVID, but masks have many downsides - ignoring them is wrong

        1 reply 0 retweets 6 likes
      3. FactsMon‏ @FactsMon 8 Nov 2020
        Replying to @rabbitulane @zeynep

        @rabbitulane like what? Got reputable links to support what you say? Thanks in advance for those.

        1 reply 0 retweets 1 like
      4. Show replies
      1. Yusuf Nasihi‏ @yknasihi 8 Nov 2020
        Replying to @zeynep

        The first chapter of any evidence-based textbook usually asks: "so, why don't we have any RCTs on orthopedic casts for broken bones? For parachutes?" Besides that, masks are cheap and non-invasive despite a lack of RCT data. Why hesitate to suggest them?

        2 replies 3 retweets 12 likes
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      1. New conversation
      2. Russ Greene‏ @GreenPlusAnE 8 Nov 2020
        Replying to @zeynep

        looking at the mostly masked crowded celebrations in the streets, don't they seem to validate earlier concerns about masks encouraging recklessness?

        1 reply 0 retweets 5 likes
      3. Daniel Irabien‏ @htenenbaum 8 Nov 2020
        Replying to @GreenPlusAnE @zeynep

        If you think it a little bit not. You would need the counterfactual of knowing if there would a lower amount of celebrations in a world without masking... There are other ways to explore this situation but that particular anecdote wouldn't really work for it.

        0 replies 0 retweets 2 likes
      4. End of conversation

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