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What is correlation and what is causation?

Is it possible that less intelligent people are shunted (through education, etc) into lower-paying jobs? Thus, it becomes a self-fulfilling prophecy.



You are suggesting that maybe poor people just have lower IQ, but this study doesn't support that.

It shows that cognitive performance between rich and poor is the same when they're asked questions which both groups consider easy and/or non-stressful.


the cognitive performance between rich and poor was the same in the sample they looked at (using their specific test). we know that is not true in general -- richer people are smarter on average.


Good point. What I mean to say is that the question of "who's smarter, rich or poor?" is not relevant to the study in question, and can't explain the results.


On a slight tangent, is the better education "rich" people are getting thanks to their money making them smarter in the first place though?

These things feed on each other, the feedback is a loop.


It's more like busy people are too busy to read the article so they post flamboyant comments hoping to get a tldr.




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