1) Thalis_1st_eng.tab (Datafile of the "Political & Social Radicalism in Greece: First Round" survey in English) : Access upon Login.
2) Thalis_question_1st-EN.pdf (Questionnaire for "Political & Social Radicalism in Greece: First Round" in English) : Open Access.
3) Thalis_question_1st-GR.pdf (Questionnaire for "Political & Social Radicalism in Greece: First Round" in Greek) : Open Access.