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Notices by Ramkumar Ramachandra (artagnon@mathstodon.xyz)

  1. Embed this notice
    Ramkumar Ramachandra (artagnon@mathstodon.xyz)'s status on Wednesday, 25-Mar-2026 21:55:31 JST Ramkumar Ramachandra Ramkumar Ramachandra

    This 1997 paper "Why g matters" is quite disturbing, and paints a very dire picture for "low IQ" individuals. I didn't realize that the correlation was so strong, and am disturbed by the borderline-eugenics theme.

    https://www1.udel.edu/educ/gottfredson/reprints/1997whygmatters.pdf

    In conversation about 9 days ago from mathstodon.xyz permalink
  2. Embed this notice
    Ramkumar Ramachandra (artagnon@mathstodon.xyz)'s status on Wednesday, 25-Mar-2026 21:55:30 JST Ramkumar Ramachandra Ramkumar Ramachandra
    in reply to

    I thought about it for some time, and the study is absolute rubbish -- Wikipedia really should not link to such a sketchy study. The problem with this study and similar studies is:

    1. They try to show some kind of weak correlation between two variables without varying all other variables sufficiently. I found inconsistencies, faulty experimentation, and implicit caveats in similar studies, with the conclusion that IQ is not _correlated_ to anything -- humans are not FLOPS-rated CPUs, and the studies are highly misanthropic.
    2. The studies don't have anything actionable, and serve no purpose other than to reinforce eugenics views.

    Something like "The effect of early intervention in African American children" is a much more credible study, with a clear control group, and clear actionable items.

    This Wikipedia page is highly problematic, making wild speculations, citing sketchy old studies and missing citations for many things: https://en.wikipedia.org/wiki/Intelligence_and_education -- please fix it if you're able. I marked it as a hoax for now.

    In conversation about 9 days ago from mathstodon.xyz permalink

    Attachments

    1. Domain not in remote thumbnail source whitelist: auth.wikimedia.org
      Intelligence and education
      The relationship between intelligence and education is one that scientists have been studying for years . Typically if maternal and paternal IQ is high, it is very likely for the child to have a high IQ as well . A study conducted by Plug and Vijverberg showed that the environment that a child grows up in also affects his or her future academic performance. The children that were raised by their biological parents had a greater similarity in terms of intelligence and academic performance to their families than those raised by foster parents. Another study was conducted by Campbell and Ramey to test the socioeconomic effect on intelligence and it showed promising results for children at high risk of academic failure when there was an early intervention. Education as Causal of Intelligence There is substantial evidence to suggest that education influences intelligence. According to a 2018 metastudy of educational effects on intelligence, education appears to be the "most consistent, robust, and durable method" known for raising intelligence. The study found "consistent evidence for beneficial effects of education...
  3. Embed this notice
    Ramkumar Ramachandra (artagnon@mathstodon.xyz)'s status on Wednesday, 25-Mar-2026 21:55:29 JST Ramkumar Ramachandra Ramkumar Ramachandra
    in reply to

    My edits were reverted, and my request for deletion was challenged. It requires a lot more time and effort to get this fixed, and I'm exhausted. Insidious questionable content remains on Wikipedia, and will continue to mislead the general public 😢

    In conversation about 9 days ago from mathstodon.xyz permalink
  4. Embed this notice
    Ramkumar Ramachandra (artagnon@mathstodon.xyz)'s status on Wednesday, 25-Mar-2026 21:55:28 JST Ramkumar Ramachandra Ramkumar Ramachandra
    in reply to

    This isn't the first time I'm contributing to Wikipedia, but the first time I'm having a sharply negative experience. I painstakingly checked the article and verified that:

    1. It states facts from the cited works, and draws wild conclusions that don't follow from the facts, that are not mentioned in the original work.
    2. The text is completely orthogonal to the citation link that follows immediately after.
    3. It cites terrible sensationalist works that shame academia.

    The references are obscure dated documents that are analog in some cases, and most aren't open-access.

    The article is not a work of neglect or omission, but the work of a malicious entity.

    I explained this in my deletion note with examples, but the editor in question clearly doesn't care about Wikipedia.

    In conversation about 9 days ago from mathstodon.xyz permalink
  5. Embed this notice
    Ramkumar Ramachandra (artagnon@mathstodon.xyz)'s status on Wednesday, 18-Dec-2024 10:38:47 JST Ramkumar Ramachandra Ramkumar Ramachandra

    Thanks to Florian's endless follow-up work, the TypeSanitizer finally landed, and you should be able to do `clang -fsanitize=type` (should be live on Godbolt tomorrow)! 🎉 #LLVM

    https://discourse.llvm.org/t/reviving-typesanitizer-a-sanitizer-to-catch-type-based-aliasing-violations/66092

    In conversation about a year ago from mathstodon.xyz permalink

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    Ramkumar Ramachandra

    Ramkumar Ramachandra

    Upstream LLVM contributor and Formal Methods researcher. Expect a mix of technical posts interspersed with cute real-world musings.

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