In last week’s roundup, we featured the response by Greg Lukianoff to Jim Sleeper’s editorial on political correctness. Jim Sleeper has a response here (related radio interview with Sleeper here).

The New York Times hosted a debate about whether trigger warnings work, with debaters Elena Newman of the Dart Center for Journalism and Trauma, Sofie Karasek of End Rape on Campus, and Richard J. McNally, author of Remembering Trauma.

At Academe Blog, John K. Wilson writes about a troubling development at UC-Berkeley. Dean Carla Hesse cancelled a class on Palestine due to external political pressure and blamed the cancellation on an ostensible violation of policies even though no such violation occurred.

New research by Jean Twenge and colleagues shows that high school seniors today are more likely to identify as politically independent, rather than Democratic or Republican, and more likely to identify as conservative compared to high school seniors from previous eras. However, their policy positions on homosexuality and drugs are liberal, suggesting they use a different definition of conservative. (More coverage here, and the full paper is here.)

Research by social psychologists at the University of Colorado-Boulder showed that when group polarization occurs, partisans seem unaware that their positions are becoming more extreme. (full paper here)

This week’s blog posts and web news: