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Sean Last Profile picture
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Jun 3 • 6 tweets • 3 min read
So, this is wrong in basically every way possible. First, skin color has been shown to predict IQ in studies going back nearly a century and racial differences in brain size have been recorded for even longer. Second, racial differences in attitudes about education have not...
...not been reliably shown to even exist. By many measures, black parents don't have worse attitudes about education than do white parents. They don't seem less likely to check on homework either.
But even if they did things like parental involvement don't predict IQ in adoptive samples. They predict IQ in regular families but this relation is not causal. sciencedirect.com/science/articl…
Also, black five-year old’s have lower IQ scores than do white 5 year old’s even after controlling for family structure, family income, neighborhood income, and direct measures of the quality of the home learning environment.
sci-hub.ee/https:/www.jst…
Also, there's a large IQ gap between black and white people even when only looking at people raised in adoptive white homes.
sciencedirect.com/science/articl…
Meanwhile, the genomic evidence showing genes are involved in group IQ differences continues to grow. Not sure why this guy is tweeting about this stuff but he should stop until he knows what he's talking about.

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More from @Sean__Last

Sean Last Profile picture
Jan 17
Looking at intellectual history, especially in the humanities and social sciences where the truth is less easily discernable than in the hard sciences, it is hard not to notice that we have obvious reasons for thinking that people who hold this attitude will lose in a...
..."battle of ideas" with people who do not.

It also is not obvious that the idea of scholars being value neutral, saying the truth no matter the consequence, etc., isn't utopian and implausible given human psychology. And however plausible it is, it is surely less...
...plausible the more people a society requires to be academics. I think it is fairly obvious that the number of people highly committed to this kind of rationality is small and makes up a tiny fraction of academics. I'd guess this reflects a difference in psychology that...
Read 5 tweets
Sean Last Profile picture
Oct 18, 2021
My take on the debate: I had watched some of destiny's older debates and said various things which, based on said debates, I expected him to aggressively disagree with. He ended up not saying as much as I expected on my comments on things like immigration and crime, genetic...
...causes of group differences, the economic assimilation of immigrations, racial bias in economic and educational institutions, the anti-white left, academic authority, etc. In real time, my reaction to this was just to openly complain about us not getting into where we...
...clearly disagree. I probably could have had a better response, but this was not an outcome I had even considered based on the set of debates with Destiny that I had seen, but perhaps I watched the wrong debates. I think Destiny could say the same, that he said various things..
Read 4 tweets
Sean Last Profile picture
Oct 6, 2021
I was watching a recent debating involving Destiny, Lauren Southern, AJW, and Fanatic, and there's a point where it seems clear that they recognize that none of them know the difference between an effect size, a confidence interval, and stat significance.
...If that's true, obviously none of them can have political beliefs which are rationally justified by social science, but they seem to do just that. Now, so long as other people are doing this there is a strategic sense in which it makes sense for...
...you to do it too and form your own unfounded beliefs. In fact, if one side does this and the other does not the side which does will probably win. So in that sense this seems inevitable. But that doesn't make it any less depressing or absurd, esp since they are...
Read 5 tweets
Sean Last Profile picture
Sep 16, 2021
Absent from nearly all discussions about increasing school diversity is the fact that, empirically, black on white bullying is far more common than vice versa, and going to a school with lots of minorities predicts increased rates of suicide, and worse academic performance...
Even among college kids, campus ethnic diversity predicts lesser school satisfaction. And many of these findings remain after controlling for variables like poverty. "Color blind" ideologies and wokeism can't deal with issues like this, but many parents implicitly know these...
...things and so we are often left with people acting one way but saying something else, and the wellbeing of white kids is sacrificed to the degree that modern dogmas about race are actually allowed to influence the sorts of schools children end up in.
Read 4 tweets
Sean Last Profile picture
Sep 15, 2021
Some hereditarians who talk a lot about IQ also do this weird thing where they say IQ doesn't impact a person's value. My guess is some of those same people would say that a fetus being destined to be retarded is a valid and eugenic reason for abortion...

quillette.com/2021/09/15/mor…
...and killing someone because they're stupid seems like you're saying intelligence is valuable in a pretty fundamental way. Of course, retards are extreme cases, but it isn't much of a leap to say that the lesser ability gaps seen among normal people also correspond to...
...lesser gaps in their value as people. And I think this is one of the reasons the left says crazy things about eugenics, they don't want to let that conversation start because they correctly see that there is some logical connection between that conversation and one about...
Read 5 tweets
Sean Last Profile picture
Jun 23, 2021
I decided that looking at the research on non-covid vaccines and adverse effects would help me better contextualize the data on the covid vaccines. So far, doing this has made me think there's more uncertainty about vaccines than I had thought. This is for two reasons, both of...
...of which are exemplified in this review of the literature (ncbi.nlm.nih.gov/pmc/articles/P…).

First, even the large sample sized research consistently has huge confidence intervals and this allows researchers to disregard effects of practical significance. For instance, the...
...the Cochrane review states "The meta‐analysis estimates did not provide evidence supporting an association between MMR immunisation and IBD (OR 1.42, 95% CI 0.93 to 2.16)". They found an increased risk of 42%, but because they study was underpowered they conflated this...
Read 8 tweets

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