IQ and Race

Veeky Forums why is there's almost a 20 point difference in IQ between Haiti and Dominican Republic
considering they share a small island same climate, economy the same until 1965
However thier IQ is significantly different why?

>pic related

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Because psychology is pseudoscience.

this
and cause iq tests suck

Not a political topic

because there are evidence that blacks raised under proper conditions will have better IQ than being raised in poverty.

most blacks don't raise their kids like asians do, making them study hard as fuck.

most asians aren't smarter, but work harder and their culture overglorify hard work.

TL:DR blacks aren't dumb, they're lazy.

Err, no. Asians don't "work hard". There was a survey that asked how much asian kids study for maths and most said that they don't need to study, they just "get it". Also black IQ is lower that white. Even those raised with good conditions score way lower that the everyday white. Plus IQ has little to do with education. That's the whole point of IQ. And don't get laziness in the way, because most high IQ individuals are lazy, but so are low IQ ones. Look it up and stop spreading bullshit.

not all black african tribes score lower than whites.
look up igbos.

This video says it all
youtube.com/watch?v=hmJLh3QCNgM

And all of them are in either north or south africa.