These aren't the citations you're asking for, but they are interesting (and the comment you responded to got killed). It's a fact that while second-generation

These aren't the citations you're asking for, but they are interesting (and the comment you responded to got killed). It's a fact that while second-generation Chinese-Americans score quite well on tests and get a lot of bachelor's degrees, their children score even less well, and by the third generation they're as dumb as Americans. Wait, they are Americans. Right. See table 2 in [1]. So, the point is that according to census data people who come to the US from Asia get dumber, people who come to the US from Eastern Europe get dumber, and people who come here from Africa continue doing very well if they are Nigerian [2] and improve in educational attainment if they came from a refugee camp in Somalia. Hm. Apparently American society makes a lot of people dumber, although it does help out people coming from refugee camps. Since white people from Europe get dumber the longer they stay in the US, we've got to admit that it's the water, or our environmental regulations, or something else affecting their genetics, right? It's only fair. It couldn't be culture. [1] https://www.princeton.edu/futureofchildren/publications/docs/21_01_08.pdf https://www.princeton.edu/futureofchildren/publications/docs... [2] http://www.chron.com/news/article/Data-show-Nigerians-the-most-educated-in-the-U-S-1600808.php http://www.chron.com/news/article/Data-show-Nigerians-the-mo...