The Personality of Political Correctness (Nov 2016) - Scientific American Blog Network

"The researchers found that PC exists, can be reliably measured, and has two major dimensions. They labeled the first dimension "PC-Egalitarianism" and the second dimension "PC-Authoritarianism". Interestingly, they found that PC is not a purely left-wing phenomenon, but is better understood as the manifestation of a general offense sensitivity, which is then employed for either liberal or conservative ends....[The second] dimension of PC seems to reflect more of an indiscriminate or general sensitivity to offense, and seems to stem from an underlying motivation to achieve security and stability for those in distress. Their beliefs lead to advocating for a more autocratic governance to achieve uniformity...."