This project explores correlates of extremist attitudes. Likert questions aimed at capturing these attitudes are based on J.M. Berger’s extensive writings on the topic. His work explains extreme attitudes (political, racial, religious etc) all relate to perceptions of in-groups and out groups. In the extreme, people come to believe the “success of us is inseparable from hostile acts against them”.

2019 study that gained participants via Facebook ads with a total sample size of 2552. The survey gathered demographic information and included a long list of likert-scale questions which were then scored and/or scaled. The dataset made available through Harvard Dataverse available here. Features are described in the table below.