this post was submitted on 17 May 2025
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What about the education systems? One of those two countries is heavily denying basic science at schools, teaching creationism as something at the same level as evolutionism, letting religion pollute education, banning books from schools, teaching obsolete two genders theory, etc. Is the study short about the differences in education?
Education, sure. But also environment, nutrition, and stress/trauma.
The US is polluted with heavy metals, our food is awful, and we regularly put residents (particularly young people) in extremely traumatic situations. All of that stunts intellectual development.
Its a side effect about the differences in education. IQ is relative to the population and education, they slightly increase it to keep the average around 100. The average person 100 years ago had 30 less IQ points, because education and child nutrition were non existent. Cut those things and your average person reverts back.
Other countries have only gotten better, the US has just gotten worse.
They don't "slightly increase it to keep the average around 100." The average is defined as 100. https://en.wikipedia.org/wiki/Standard_score https://en.wikipedia.org/wiki/IQ_classification
My explanation is for laymen, 100 in 2025 is not the same 100 in 1925, my point.
Lots of people who talk about IQ don't know what the Q stands for.