> Perhaps the social psychologists’ views have remained consistent while the US Republican party has become more radicalized, causing former political moderates

> Perhaps the social psychologists’ views have remained consistent while the US Republican party has become more radicalized, causing former political moderates to now fall in naturally with the Democratic party. That is indeed partly the case, at least as far as the US congress goes. Based on a fivethirtyeight metrics, the average of each group has gradually moved away from the center, but the Republicans did so about twice as fast as the Democrats. I can't find the post where both parties are discussed, but here's one about the Republicans: http://fivethirtyeight.com/datalab/jeb-bush-president-republican-primary-2016/ http://fivethirtyeight.com/datalab/jeb-bush-president-republ... Relevant graph: https://espnfivethirtyeight.files.wordpress.com/2014/12/silver-datalab-jeb-1.png?w=610&h=916 https://espnfivethirtyeight.files.wordpress.com/2014/12/silv...