> The question of whether people in higher socio-economic class score higher in standardized tests is obviously true and uninteresting Indeed, it's uncontrover

> The question of whether people in higher socio-economic class score higher in standardized tests is obviously true and uninteresting Indeed, it's uncontroversial and that is why I used it to set up the second half of my question, which hopefully is more thought-provoking. > Obviously its safer than smaller Toyota vehicles, the pertinent question is whether its safe compared to other SUVs We're finally on the same page! This was the second, and more interesting part of my original question that is yet to be answered. In the US, socio-economics is obviously a confounding factor that should be controlled for when comparing by race or by immigration recency.