Replication Data for: Online communitarian appeals increase opposition to violent extremism (PNAS Nexus 2026)doi:10.7910/DVN/8OYWEVHarvard Dataverse2026-04-202Lyall, Jason, 2026, "Replication Data for: Online communitarian appeals increase opposition to violent extremism (PNAS Nexus 2026)", https://doi.org/10.7910/DVN/8OYWEV, Harvard Dataverse, V2, UNF:6:3B9U+IBCGc/+zd1siIwHUA== [fileUNF]Replication Data for: Online communitarian appeals increase opposition to violent extremism (PNAS Nexus 2026)doi:10.7910/DVN/8OYWEVLyall, JasonLyall, JasonHarvard DataverseLyall, JasonNyhan, BrendanVoytas, ElsaLyall, Jason2026-04-17Social SciencesReplication materials for "Online communitarian appeals increase opposition to violent extremism" (PNAS Nexus 2026). Includes R code for the Facebook analyses and for the online survey as well as the required datasets for all analyses. An English-language version of our survey instrument is also included as well as our full Supplemental Information (SI) document.<a href="http://creativecommons.org/publicdomain/zero/1.0">CC0 1.0</a>Lyall, Jason and Nyhan, Brendan and Voytas, Elsa. "Online communitarian appeals increase opposition to violent extremism." PNAS Nexus, 2026.Lyall, Jason and Nyhan, Brendan and Voytas, Elsa. "Online communitarian appeals increase opposition to violent extremism." 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