“…Other systematic reviews and meta-analyses have found that awareness among students and bystander intervention are crucial in the elimination of bullying (e.g., Gaffney et al, 2019a; Gaffney et al, 2019c; Garaigordobil & Martínez-Valderrey, 2018; Huang et al, 2019; Menesini & Salmivalli, 2017; Polanin et al, 2012). Three systematic reviews summarize the effectiveness of school interventions on cyberbullying (Della Cioppa, O’Neil, & Craig, 2015; Lancaster, 2018; Van Cleemput et al, 2014), reporting that most cyberbullying programs were limited to teacher training and curriculum in schools, did not use random assignment, and did not include a program manual or cost estimates. However, despite significant concern about cyberbullying, there seems to be a lack of quantitative meta-analysis of digital interventions.…”