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Thread: How can we exempt bias from Astronomy?

  1. #1
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    How can we exempt bias from Astronomy?

    In Astronomy, as well as other sciences, bias can play a big part in coming to a scientific conclusion. For example, if a researcher wanted to find something, itʻs most likely theyʻre going to find it because bias is playing a big role in driving their conclusion in a certain direction. A good example is the scientific papers on the Messier 73 objects. Two papers were published months apart on the M73 objects, one claiming these stars had no relationship with each other and the other claiming it was an open cluster. The two papers used the exact same data and came to two complete opposite conclusions. This is a perfect example of confirmation bias at play where bias can drive the way one interprets data.
    How can the Astronomy community do their best in getting rid of this bias when researching?

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    Welcome to the CosmoQuest forums, klam22. How did you reach the conclusion that confirmation bias was responisble for their disagreement? Can you cite the papers?
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    Agree, need to see the papers. Can you post links, please? Also clarify the M73 issue.
    Do good work. —Virgil Ivan "Gus" Grissom

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    Quote Originally Posted by klam22 View Post

    Thanks for the citations. Back to the first of my questions, though: how did you reach the conclusion that confirmation bias was responisble for their disagreement?
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    Quote Originally Posted by klam22 View Post
    In Astronomy, as well as other sciences, bias can play a big part in coming to a scientific conclusion. For example, if a researcher wanted to find something, itʻs most likely theyʻre going to find it because bias is playing a big role in driving their conclusion in a certain direction.
    While I agree that individual researcher's bias, and the model they prefer, may affect how they interpret results. Scientists are human after all. So I don't think you can eliminate bias.

    (I don't agree with the suggestion that they can find whatever they want; if it isn't there, they can't find it.)

    Interpreting data in two (or more) different ways is very common in science. It is usually resolved by gathering more evidence that resolves the question. Or increases in our understanding that allows one interpretation to be rules out.

    There was a good article on exactly this by Ethan Siegel today: https://www.forbes.com/sites/startsw.../#5e2ddc6b194c

    So, you've arrived at a crossroads: you think the world works in a certain way, and someone else disagrees with you and thinks the world works in a different way. You've both got your reasons as to why you're convinced that your way is right and the other person is wrong, but for some reason, you cannot come to an agreement with one another.
    ...
    The only solution that's scientifically valid is to obtain the critical evidence: a lesson we all need to be reminded of.
    He uses the example of the debate between Shapley and Curtis about whether nebulae were photo-stars or separate galaxies ("island universes"). Some of the interpretations were based on inaccurate data, an incomplete understanding of the physics around stars, etc. Once more evidence and better theories developed then the debate could be resolved. A similar thing happened with cosmology: when I was young, the steady state and big bang models could both be argued for based on the evidence available at the time.

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    Quote Originally Posted by klam22 View Post
    In Astronomy, as well as other sciences, bias can play a big part in coming to a scientific conclusion. For example, if a researcher wanted to find something, itʻs most likely theyʻre going to find it because bias is playing a big role in driving their conclusion in a certain direction. A good example is the scientific papers on the Messier 73 objects. Two papers were published months apart on the M73 objects, one claiming these stars had no relationship with each other and the other claiming it was an open cluster. The two papers used the exact same data and came to two complete opposite conclusions. This is a perfect example of confirmation bias at play where bias can drive the way one interprets data.
    How can the Astronomy community do their best in getting rid of this bias when researching?
    Only evolution is unbiased, but frequently wrong for many iterations until it is right.
    The moment an instant lasted forever, we were destined for the leading edge of eternity.

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    Quote Originally Posted by klam22 View Post
    In Astronomy, as well as other sciences, bias can play a big part in coming to a scientific conclusion. For example, if a researcher wanted to find something, itʻs most likely theyʻre going to find it because bias is playing a big role in driving their conclusion in a certain direction. A good example is the scientific papers on the Messier 73 objects. Two papers were published months apart on the M73 objects, one claiming these stars had no relationship with each other and the other claiming it was an open cluster. The two papers used the exact same data and came to two complete opposite conclusions. This is a perfect example of confirmation bias at play where bias can drive the way one interprets data.
    How can the Astronomy community do their best in getting rid of this bias when researching?
    As for me, astronomy is a fairly young science. Yes, studies of the starry sky began hundreds of years ago, but real technical possibilities for research have appeared quite recently. It seems to me that this is what causes different research results. Astronomers only accumulate knowledge. Therefore, it seems to me, we need to wait a few more years until the laws of outer space are studied in more detail.

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    Quote Originally Posted by Copernicus View Post
    Only evolution is unbiased, but frequently wrong for many iterations until it is right.
    Evolution isn't a science in the way Astronomy is, and anyway, evolution is at least biased towards survival.


    If the conclusion is that astronomy is at least biased somewhat, what are the particular biases that astronomy is susceptible to?

  10. #10
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    You can't.

    If someone has developed some theory, become famous for it, built a career on it, etc., how are they likely to respond to evidence that emerges, suggesting the theory may be wrong?

    The only think we can do is try to deal with bias when it comes up, and having a diversity of researchers, not all working together and not all funded by the same entity, is probably the best we're going to do. Individuals will still exhibit bias, but they will remain, individuals.
    A: "Things that are equal to the same are equal to each other"
    B: "The two sides of this triangle are things that are equal to the same"
    C: "If A and B are true, Z must be true"
    D: "If A and B and C are true, Z must be true"
    E: "If A and B and C and D are true, Z must be true"

    Therefore, Z: "The two sides of this triangle are equal to each other"

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