Earlier quoted context omitted.
> That's not the R^2 of your SAT based on income; that's the R^2 of average scores within an income bucket. Predictability based on income is far, far lower - in fact, in California at least, both student ethnicity and parental education is more predictive as far as background factors go ( https://escholarship.org/uc/item/9gs5v3pv ). You write that as if you disagree with my comment, but then you go on to agree with…
> Scores are highly predictable from income and factors like race. Yes. That's what makes standardized tests not just worthless, it makes them classist and racist. Is there some aspect of standardized tests that makes the test easier for rich white kids while making it harder for others? If so the solution is to fix the test, not eliminate the test. It should be expected that in a nation that prides itself as the lan…
Rich white kids are less likely to have, for one of many examples, been deliberately exposed to toxic levels of lead by action of their state government.
There are a myriad of other unequally-distributed social and environmental impacts on cognitive function and academic ability, and evaluations of standardized testing tend to control for very few of them.
Standardized testing reveals uncorrected racial and economic injustice, it isn’t the source of it. Blaming standardized testing is a way of avoiding addressing the problems it reveals.