Groskurth, Katharina, Désirée Nießen, Beatrice Rammstedt, and Clemens M. Lechner. “An English-Language Adaptation and Validation of the Political Efficacy Short Scale (PESS)”. Measurement Instruments for the Social Sciences 3, no. 1 (January 4, 2021): Article e11031. Accessed May 21, 2026. https://miss.psychopen.eu/index.php/miss/article/view/11031.