Unique and interactive effects of guilt and sympathy on bystander aggressive defender intervention in cyberbullying: The mediation of self-regulation. - Angel Alberto Valdés-Cuervo; Carolina Alcántar-Nieblas; Lizeth Guadalupe Parra-Pérez; Gisela Margarita Torres-Acuña; Francisco José Álvarez-Montero; Hiram Reyes-Sosa (Comput. Hum. Behav., 2021)