Life stress is a significant predictor of cyberbullying. However, previous studies have not investigated the roles of emotional and cognitive characteristics, such as expressive suppression and online disinhibition, in explaining the associations between life stress and cyberbullying perpetration/victimization. To fill this gap, a two-wave longitudinal design was used to investigate these two mediating variables as the underlying mechanisms among adolescents after controlling for possible covariates. A total of 724 Chinese adolescents (female: ...