eugyppius: a plague chronicle

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Open Thread: Publication Bias Edition

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Open Thread: Publication Bias Edition

eugyppius
May 31, 2022
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Open Thread: Publication Bias Edition

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Conference season is almost over for me; thanks for your patience. In the meantime, please enjoy this picture of a small mushroom in Saxony, and note also this sequel to the mask replication study I posted about on Sunday:

Twitter avatar for @DrJBhattacharya
Jay Bhattacharya @DrJBhattacharya
Why did the @CDCMMWR reject a reanalysis by @TracyBethHoeg and @AChandra_TO of a mask study it previously published? The reanalysis used more data & same methodology but failed to replicate the original paper. Publication bias is not usually quite so blatant.
Twitter avatar for @kylamb8
Kyle Lamb @kylamb8
One study found in the CDC MMWR has been pushed by mask propagandists to show mask mandates work in schools despite a cutoff of September 4…early in a school year. A new study took that methodology and extended endpoint a month and increased sample size 6x. Guess what happened? https://t.co/1RzmzBNYUZ
12:42 AM ∙ May 30, 2022
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The CDC’s Morbidity and Mortality Weekly Report were totally happy publishing the original paper on Pediatric COVID-19 Cases in Counties With and Without School Mask Requirements, despite serious defects. Yet they refused to publish the much larger replication study, which failed to find any protective effect from masking when using the same methodology on a much larger dataset. Publication bias is a pervasive problem with all Corona research, and it is the major reason why most mask studies are garbage.

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Open Thread: Publication Bias Edition

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John Carter
Writes Postcards From Barsoom
May 31, 2022Liked by eugyppius

Congrats on getting near the finish line. Any superspreaders? Big conference in my field had a huge breakout - despite everyone being v'd of course. Shockingly, none of my colleagues commented on this remarkable turn off events.

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Cindi
May 31, 2022Liked by eugyppius

“They” are STILL flogging all of the same crap (mask, vax, lockdown, passports) that failed so laughably & damagingly (not sure that’s a legit word) the 1st time around & in the face of REAL scientific evidence. That’s why I’m so worried for what’s to come

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