Kareem Carr, Statistics Person Profile picture
Sep 26, 2020 10 tweets 2 min read Read on X
Some folks think "Objective reality exists" is a good counterargument to "Science is socially constructed". It's not and here's why ...
The more I argue with folks about how "science is socially constructed", the more obvious it is to me that the people disagreeing with me are simply saying "Objective reality exists" (which I agree with but they seem to think I don't.)
Over and over again, they restate that reality is indeed real. Although this requires philosophical arguments to defend, they tend not to make any. Perhaps this is because messing with philosophy is how we get statements like "science is socially constructed" in the first place.
Often people resort to threats. What if you jump off a building? What if your boss fires you? What if your bridge collapses or your plane crashes? They seem to be saying "I'm very scared of this and I'm sure you are too! Why would we be so scared if reality didn't exist?"
This is not a good argument. What if I'm not easily scared? What if I'm overly anxious and inclined to irrational fears? Even if I agree that logically, one ought to fear falling out of an airplane, it doesn't prove anything other than we share subjective beliefs.
Of course, at the end of the day, I do think objective reality exists but my best guess as to the nature of that objective reality differs from yours. For instance, in my reality, science is socially constructed and if you're disagreeing with me then it's not in yours.
If you're not making use of philosophical arguments then your sense of objective reality is more of a strongly held intuition. Perhaps you once experienced a bridge collapse and you were very convinced by the experience. I've had similar experiences and so I share the intuition!
The question for me isn't whether objective reality exists. The question is how do we get at it given that our individual experience is subjective. My answer is in part by comparing our individual sense of reality and triangulating.
Social construction is thus an extremely important part of generating knowledge in science. We use triangulation between our differing perceptions and inferences to create a shared truth.
"Social" because the interaction with and understanding of the contents of the minds of others is critical to the process of knowledge creation.

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More from @kareem_carr

Jan 23
This is a resource thread about the Datasaurus Dozen data and how to get it.

The Datasaurus Dozen is a collection of extremely different datasets with near identical summary statistics.

It’s a reminder to all of us to ALWAYS plot our data.
Here’s what all the datasets look like: Image
It’s available through R using the following code. Technically, all you need is the library call:

library(“datasauRus”)

and then you can access the datasauruss_dozen variable containing the datasets. The rest is just for plotting. Image
Read 6 tweets
Jan 20
Nassim Taleb has written a devastatingly strong critique of IQ, but since he writes at such a technical level, his most powerful insights are being missed.

Let me explain just one of them. 🧵 Image
Taleb raises an intriguing question: what if IQ isn't measuring intelligence at all, but instead merely detecting the many ways in which things can go wrong with a brain?
Imagine a situation like this, where there's no real difference between having an IQ of 100-160 in terms of real world outcomes, but an IQ of 40-100 suggests something has gone seriously wrong in a person's life: anything from lead poisoning to severe poverty. Image
Read 11 tweets
Jan 15
Here's something counterintuitive, that a lot of people don't understand about heritability as it relates to race, if skin color is heritable, and discrimination based on skin color is common, the bad outcomes due to racism is going to be heritable as well.
Whenever you get any race-related heritability numbers, the first thing you absolutely should do is ask the person giving you those numbers what they did to rule these pathways out as a possibility.
In my experience, the answer is almost always nothing.
Read 4 tweets
Jan 15
hey now, this is the guy that said your tweet was racist. go yell at him not me. Image
Let me break this down. The original tweet is doing the statistical equivalent of this. Image
It makes no sense to treat a white person being killed by a black person as special and different from a white person being killed by another white person.
Read 7 tweets
Jan 13
It feels racist because it’s a white nationalist framing of these data. This is a textbook example of how to lie with statistics. Image
My main criticism is he didn't even provide a source. So, 100k+ people have seen this and we don't even know if there is any real data here.
The best way to lie with statistics is to just make them up.
Read 10 tweets
Dec 30, 2024
According to a recent paper, the vast majority of academics gain their elite status the old-fashioned way, they were born with rich parents. Image
Academics are more likely to have rich parents than teachers, lawyers and judges, and even physicians and surgeons. Image
Even academics at MIT are more likely to have rich parents. Notice that MIT is higher on the list than NYU, a school that is notorious for being full of kids with rich parents (like Trump’s son for instance). Image
Read 8 tweets

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