Special issue on bystanders in online aggression published

Dear researchers, colleagues, and readers interested in internet-related research, Bystanders witnessing online aggression can make a difference - if they choose to intervene. Read the special issue devoted to these important actors in online world published at the end of 2018. The issue was edited by Hana Machackova (Masaryk University, Brno, Czechia), Jan Pfetsch (Technische Universität, Berlin, Germany), and Georges Steffgen (University of Luxembourg, Luxembourg). The issue contains 6 articles: a systematic review focused on the personal and contextual factors which may facilitate or inhibit the bystanders’ actions; empirical elaboration on the participant roles of cyberbullying; studies grasping the specificity of online aggression and its impact on bystanders’ responses; investigation of negativity and aggression in celebrity-news articles and following readers’ discussions; and a study providing evidence about negative consequences of bystanders’ experiences. We believe the issue presents a unique collection of new  insights in this timely research field. Enjoy the reading! Cyberpsychology: Journal of Psychosocial Research on Cyberspace https://cyberpsychology.eu IF (2017): 1.400 SJR (2017): 0.774 ISSN: 1802-7962   The issue content: Editorial: Special issue on bystanders of online aggression Hana Machackova, Jan Pfetsch and Georges Steffgen Article 1 A systematic literature review of factors that moderate bystanders’ actions in cyberbullying Fernando Domínguez-Hernández, Lars Bonell and Alejandro Martínez-González   Article 2 Who is involved in cyberbullying? Latent class analysis of cyberbullying roles and their associations with aggression, self-esteem, and empathy Anja Schultze-Krumbholz, Markus Hess, Jan Pfetsch and Herbert Scheithauer   Article 3: Bystanders of bullying: Social-cognitive and affective reactions to school bullying and cyberbullying Rhea-Katharina Knauf, Heike Eschenbeck, and Michael Hock   Article 4: ”Do I really need to help?!” Perceived severity of cyberbullying, victim blaming, and bystanders’ willingness to help the victim Christina Koehler and Mathias Weber   Article 5: Joining the clash or refusing to bash? Bystanders reactions to online celebrity bashing Gaëlle Ouvrein, Charlotte J.S. De Backer and Heidi Vandebosch Article 6: The moderation of empathy in the longitudinal association between witnessing cyberbullying, depression, and anxiety Michelle F. Wright, Sebastian Wachs and Bridgette D. Harper