Illusions of Understanding in the Sciences

(link.springer.com)

42 points | by sebg 2 days ago

9 comments

  • jdw64 2 hours ago
    Looking at the paper, the core message is 'that even scientists harbor the illusion of understanding more than they actually do'.

    In reality, science operates much like a mental model. The paper argues that just because a model predicts future values more accurately, it doesn't mean the model explains the actual causal structure. Yet, the fact that outcomes fall within the predicted range reinforces the illusion that one has truly 'understood' it.

    This reminds me of the statistician's aphorism: 'All models are wrong, but some are useful.' Science itself, in a way, is a mental model—a simplification created for humans because the world is a complex system that is cognitively impossible to fully comprehend. Within that framework, certain facts reinforce the mental model, while others weaken it. While mental models vary from person to person, in a broad sense, we are commonly taught to view the macroscopic world through the Newtonian model and the microscopic world through the quantum mechanics model.

    Reading this makes me reconsider what 'understanding' truly means. I believe the starting point of genuine understanding is acknowledging that perfect prediction is ultimately impossible, and that when viewing the world through our mental models, what matters is defining what we consider to be acceptable 'lossy information' (or information we can afford to lose)

    • vi_sextus_vi 30 minutes ago
      Exactly. The lede buried here is, as you say,

        accurate prediction is not better understanding
      
      Which has a statistician counterintuition

        Less "accurate" model can lead to better prediction
      
      Therefore (in my understanding)

        A better understanding encodes more info about how much more it can be improved, when compared to a less good understanding
      
      Maybe understanding should be related to wisdom rather than intelligence? Like Socrates. AGW?

      Explained by this wonderful series

    • ian_j_butler 2 hours ago
      > This reminds me of the statistician's aphorism: 'All models are wrong, but some are useful.'

      It reminded the authors of this too, since they quote and source it

    • jdw64 2 hours ago
      [dead]
  • ian_j_butler 2 hours ago
    This is kind of interesting, but I predict that it pleases almost nobody. Philosophy of science types will be kind of annoyed at the preoccupation with statistics, ML people will be annoyed at too much philosophy of science, etc.

    I totally support a goal to get those groups talking more but something tighter is probably better. And why isn't it tighter? Without big original contributions, the goal does seem to be a survey

    • jdw64 2 hours ago
      However, for a freelance programmer like me who has to model the world the client wants, this might actually be a useful problem. LOL
  • osullivj 20 minutes ago
    So, to summarise, consistency is the virtue of a narrow mind?
  • dr_dshiv 12 minutes ago
    Like thinking LLMs aren’t magic* because you utter “it’s just predicting the next token!” I’d argue, only slightly tongue in cheek, that thinking of LLMs as magical leads to more effective use than the predicting-next-token explanation.

    See also Frank Keil’s “illusion of explanatory depth.”

    * magic not as “unreal,” but in the classical conception of a living magic world where mental intentions can manifest physical realities

  • usernametaken29 2 hours ago
    This is a classic case of overthinking. Induction should not yield new knowledge because nothing new is discovered, but it does. Deduction likewise also cannot establish new knowledge, yet it does. Empirical science is flawed on extremely many levels but it works because on average, over time, many converging observations can build refined and accurate causal theories. It’s a matter of practicality that things cannot be proven fully. Judging from the state of modern medicine, engineering and the sciences, the system works ok regardless
  • dbacar 43 minutes ago
    Is it a probability that the authors understood the notion of Understanding all wrong?

    ;).

  • skyberrys 3 hours ago
    What is a model anyways? There are so many answers to say you that. The models are almost the same models, but at a different abstraction away from the original experienced in reality.
    • TheOtherHobbes 25 minutes ago
      Science uses maps of metaphors to cover observable space. Math is one of them.

      The math in science isn't provable, objective, or self-consistent, and mathematicians who look at physics regularly have "Wait a minute..." moments.

      But scientific math is a useful toolbox of techniques that create useful metaphors where the maps and the experiences coincide, to a useful extent.

      Science is really a process of inventing and trying out metaphor maps and keeping the ones that match experience.

      Reality itself is likely unknowable, because our experience of it is too limited to provide enough information to get down to the bedrock mechanisms.

      So we have these intermediate models that get some way there, but clearly have gaps and edges where the parts don't fit together.

      Everything starts at human-scale and works outwards.

    • satisfice 1 hour ago
      A model is an idea, activity, or object that represents some other idea, activity, or object. A good model is one that helps you understand or manipulate the thing that it represents.
  • pazimzadeh 2 hours ago
    this is extremely long and repetitive.

    "the sciences" is very broad. in biology there are established methods for establishing causality (i.e. Koch's postulates, etc), and even then conclusions are generally qualified. not sure about the other fields, but I wish they had more concrete and recent examples of what they are talking about. this was painful to even skim.

    also for some reason i cant click on anyting on the site or select text?

    • in_a_hole 55 minutes ago
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  • 01010101011 1 hour ago
    Popper writes the philosophy of science in a Platonic micro-descriptor fetch, which is 20:20 recursion.