Bystanders play a key role in understanding the phenomenon of cyberbullying (CB). The main aim of this study is to explore longitudinal bidirectional relationships among cyberbystanders' reaction, CB perpetration, and CB justification. Participants were 1,105 adolescents (56.7% girls; M[subscript age] = 13.56, SD = 1.21) who answered self-reported…

There is currently no evidence of the relationship between cyber dating abuse (CDA) and health-related quality of life (HRQoL), especially from a longitudinal perspective. The objectives were: (a) to analyze the point and period prevalence, incidence, and score changes over time of victimization by CDA; (b) to compare HRQoL in the different…

Witnessing intimate partner violence (IPV) and child maltreatment may place children on a lifelong trajectory toward violence. The primary aim of this research was to examine the associations between exposure to violence at home and two forms of violence in close relationships in Spanish adolescents: child-to-parent violence (CPV) and dating…