Kudos to transwoman Joanna Harper for debating the science around male performance advantage in trans-athletes. Listen to the interview when it's broadcast on Saturday 9th between 10-11am on @bbcworldservice
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Joanna Harper is the author of the study that the
@IOC based its decision on to allow male-born trans athletes to compete against females after reducing Testosterone to 10nM for 12 months. This study is not relevant, robust or independent. http://www.sportsci.org/2016/WCPASabstracts/ID-1699.pdf …pic.twitter.com/Td0a3nkEkk
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Replying to @fairplaywomen @ioc
If this is the complete data you are showing its scientifically irresponsible for the IOC to make any conclusion based on it. One might even have trouble mechanically running an appropriate analysis on the data let alone make valid inference.
#badscience5 replies 11 retweets 61 likes -
Yep, 8 sub-elite mid/distance runners. This is what people mean when they say ‘The IOC looked at ALL THE DATA, listen to them’.
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Replying to @FondOfBeetles @lo_stats and
Is that supposed to be a serious study!? If so, it's utterly bonkers. Eg, we don't know anything about respective training loads before the 2 races. Or anything about a myriad of other potentially confounding variables.
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Replying to @PhilosophyExp @lo_stats and
2 minute read. https://www.sportsci.org/2016/WCPASabstracts/ID-1699.pdf# …
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Replying to @FondOfBeetles @PhilosophyExp and
Even if we ignore the horrible design and we say that all 5 individuals (counting one person twice) experienced a decrease in athletic ability, the p-values (by the sign) test is still not significant....the sample size is too small to even have the hope of significance.
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Design is farcical. And R4... doesn't indicate decline. Different physiological systems & stresses in play for 10km and marathon. That one has to be excluded on those grounds alone.
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