Altungy, PedroNavarro McCarthy, AshleyLana Blond, RocíoLiébana Puado, SaraJaume, Luis CarlosSzumowska, EvaMolinario, EricaGómez, ÁngelKruglanski, Arie2026-04-302026-04-302026Altungy, P., Navarro-McCarthy, A., Lana-Blond, R., Liébana, S., Jaume, L. C., Szumowska, E., Molinario, E., Gómez, Á., & Kruglanski, A. W. (2026). How personal significance, collective narcissism, and willingness to sacrifice shape extreme personalities. Frontiers in Social Psychology, 4, 1714455. https://doi.org/10.3389/frsps.2026.17144552813-7876https://hdl.handle.net/11268/17060Extreme feelings, behaviors, and cognitions, although often considered outside the bounds of normality, are part of human nature. This study examines whether variables proven to be related to extremism, including personal significance, collective narcissism, and willingness to make sacrifices, are related to, and could incipiently explain, extreme personality.engAttribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/PsicologíaNarcisismoDesarrollo de la personalidadExtremismojournal article10.3389/FRSPS.2026.1714455open accessPersonalidadPsicologíaInvestigación médicaGoal 3: Ensure healthy lives and promote well-being for all at all agesGoal 16: Promote just, peaceful and inclusive societies