Authoritarianism and polarization in American politics

Spanking or time out : a clash of worldviews?

Putting polarization in perspective

Authoritarianism and non-authoritarianism : concepts and measures

A historical account of the roots of worldview evolution

Authoritarianism's structuring of contemporary issues

Threat and authoritarianism : polarization or convergence

Evidence of worldview evolution

Immigration : a reinforcing cleavage that now constrains the Republican Party (GOP)

What the 2008 democratic nomination struggle reveals about party polarization

A new view of polarization.