• Opinionhaver@feddit.uk
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    2 days ago

    Argumentum ad populum, the fallacy that if most people agree, they must be correct.

    We’re tribal animals. Going against the group is usually a bad survival tactic - but just because you echo the beliefs of those around you doesn’t mean they’re right. Very few of history’s great philosophers held popular beliefs, yet we still remember their names. Nobody remembers the conformists.

  • seven_phone@lemmy.world
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    2 days ago

    Consensus is the instinctive collective response of the mind to the world whereas truth is its regimented output. This is most obvious in the evolution of language, the truth in this instance is things like definitions, syntax and grammar but this is all after the event and looking back explanation. The real growth of language is from consensus. The definition of the word gay in original form by etymology was carefree and happy which is it’s truth but by consensus of usage it was altered to mean homosexuality, which is an entirely separate definition. The consensus idea very easily overran that of truth and became what is real.

  • jet@hackertalks.com
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    2 days ago

    Yeah, you are right. Too many people in the sciences believe this as well. Science is about repeatability and falsifiable hypothesis…

    • CM400@lemmy.world
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      2 days ago

      Isn’t it the case that “consensus” in the sciences is just a shorthand for “we agree that this is most likely to be true”?

      If I were conversing with a scientist and I asked about possibility x, and they disagreed with it for the reason that “the consensus is…”, I would assume that they are not saying possibility x is wrong, but rather that they would need really good evidence to agree that x is correct.

    • Moobythegoldensock@lemm.ee
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      2 days ago

      Expert consensus has a different role than the OP. It’s a statement made by people who are intimately familiar with a body of evidence and are consolidating the many narratives of that evidence into clear statements.

      Yes, it’s not true merely because they say it’s true. It’s most likely true because these experts have analyzed the thousand tiny individual pieces of evidence out there and have determined they are all pointing to the same key conclusions. That’s not an argumentum ad populum, that’s analysis and interpretation. Ignoring that because you saw some TikTok video is the actual fallacy (argument from authority.)

    • Brave Little Hitachi Wand@lemmy.world
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      2 days ago

      Yes but it’s worth pointing out that peer review is also a form of consensus-building. It’s not a perfect process, but it’s pretty workable if everyone’s pulling in the same direction.

      • jet@hackertalks.com
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        2 days ago

        Peer review is a sanity check, but many incorrect theories disproven later passed peer review. I only point out science as a the one group of people who should be above appeals to authority or consensus but they are still very influenced by it.

        • Brave Little Hitachi Wand@lemmy.world
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          2 days ago

          Kinda my point. Even the scientific process is imperfect. It’s definitely workable, but all our theories are less “really real” and more a highly refined consensus that is only valid while we lack a better one. All firm beliefs require a leap of faith, however small.

          • alsimoneau@lemmy.ca
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            2 days ago

            The scientific method states quite clearly that you can never prove anything, only disprove. Failure to disprove warrants publication to try to get other people to disprove. But it’s still rarely properly applied, especially when you get further away from theoretical research.