The bigger your family, the more liberal it probably is. I’ve now used evolutionary psychology theory to help explain why populations with high proportions of immigrants (Part 1 of 3) and young people (Part 2 of 3) would be more liberal. Those conditions are more strongly associated with the Openness…

In my last post, I found that while psychological traits like Openness and Conscientiousness usually correlate with liberal and conservative ideologies, respectively, they don’t seem to correlate much with the ethnic groups that are most associated with those ideologies (Part 1 of 3). But immigration status isn’t the only thing…

While not every white person is a conservative, the polls show that almost all conservatives are white — and Latinos, African-Americans, and Asian Americans are all much more likely to be liberal. It could just be a cultural thing — white people do more frequently exhibit a worldview that values…