Look at Minnesota Trans-Racial Adoption Study, involving black babies adopted in infancy into white middle-class families and going to middle class schools.
At age 17, the black kids IQ scores were like their biological parents, no improvement from environment
https://en.wikipedia.org/wiki/Minnesota_Transracial_Adoption_Study
,,,,,,,,,,,,,,”At age 17, the black kids IQ scores were like their biological parents”
Too bad for most of them. My terrific MD is Black, so his parents must have been smart too. He’s from Nigeria, wasn’t hampered by any kind of pre-judgement AKA prejudice.
It says a bit more than that.
it’s downright scary. In fact here is Dr Jordan Peterson talking about this very idea—
https://youtu.be/5-Ur71ZnNVk?si=ln2FO-gHuTnUAod2