policy/ideological consistency and polarization
misc. reading … The researchers set out to better understand recent studies showing that self-described liberals are likelier than people who call themselves conservative to shield themselves from contact with their ideological out-group, including by blocking them on social media and cutting out would-be friends because of their views. … For example, data from the 2018 Cooperative Congressional Election Study corroborated the asymmetry between the groups, showing that liberals are more likely than conservatives to report both blocking and being blocked over political differences....