You may have heard "IQ is about 50% heritable". What you need to know is that by the same logic, "Experiencing Racism" is also heritable. A dark-skin man is likely to experience racism and his kids are likely to experience similar levels of racism to him.
If that man had children with someone white, their children's tendency to experience racism would be intermediate between both parents. Identical twins raised apart are likely to experience similar levels of racism.
Fraternal twins would be less likely to experience similar levels of racism than identical twins. Every pattern that we would normally look at to figure out if something is genetic would say "experiencing racism" is inherent and genetic.
Don't read too much into claims like "IQ is 50% heritable". They make a lot of assumptions and they are a lot less meaningful than you might think.
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More from @kareem_carr

22 Feb
I've worked in a lot of different sciences and what I've discovered is that each science is its own slightly bizarre alternate reality where the scientific method turned out differently.
People say you're entitled to your own opinion but not your own facts. But I need you to hear this: every science has its own facts. And I don't want to freak you out but they don't even agree on what a "fact" actually is.
The scientific method relies on the answers to questions like 'what is evidence'? Sciences are free to answer these questions in their own way and to define their own scientific method. Image
Read 14 tweets
17 Feb
Some people follow me for my statistics insights. Other people like me for my social commentary. This thread explains how those things are related. 👇
A lot of people don't understand statistics. Statistics is critical thinking with numbers. In statistics, the goal isn't to use numbers for the sake of using numbers. It's to use numbers in service of revealing the truth.
As a statistician, I believe it is my duty to not blindly follow the numbers but it's also my duty to fairly consider what numbers can tell us about the truth of things. It falls on statisticians to sit in this in-between place and hold space.
Read 9 tweets
17 Feb
I now have 54k followers which is bigger than the population of my home country (The Federation of St. Kitts and Nevis). 🇰🇳

When you leave home, you dream of “making it big”. Well today I have exceeded the theoretical maximum fanbase size of my home country. 😂
FYI. St. Kitts-Nevis is in the Caribbean...
It's very beautiful...
Read 4 tweets
2 Feb
A bit of personal news. I got vaccinated for covid-19!
I feel more than a little embarrassment over this privilege but hopefully this will encourage people who are hesitant about the vaccine to feel a little more confident. I've been working in biotech for years and I felt taking the vaccine was the right decision for me.
I wasn't expecting to be vaccinated anywhere near this early but it happened because the lab I'm in at Harvard is part of an institution that sees patients.
Read 4 tweets
30 Jan
I've noticed a kind of tribal individualist that's common online. They move in mobs, make nearly identical objections, claim not be a group or believe in groups, and are extremely hostile to the identities of others.

They've also been REALLY BAD for online scientific discourse.
Many people believe in individualism so strongly that they seem incapable of perceiving anything to do with groups. They don't understand sociology as a category of knowledge or social problems as anything more than a collection of the unique challenges of individuals.
Many individualists don't believe in sociology. They see it as a false science. Since groups don't exist for them, only individuals, they don't think sociological can exist either. After all, how can one scientifically study groups when groups aren't real?
Read 11 tweets
25 Jan
I wrote a short thread on being a racial minority within math academia. I didn’t propose any changes to the status quo or solutions. Just pointed out why I think race is an issue in the context of my experiences. Here are some of the EXTREMELY racist responses I got back. 👇🏾
It’s funny because a lot of the responses say it’s not about race and accuse me of forcing race into the conversation. Meanwhile, many of those rather naive comments are located right next to insanely racist crap like this...
This one came close to calling me the N word but chickened out at the last moment. (I’m not American or African!Nobody has even metaphorically come close to “giving” me any of these things.)
Read 12 tweets

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