“…Mother, father, and peer attachment were each indirectly related to bullying perpetration as well to victimization through its links with youths’ negative automatic thoughts. These findings are consistent with previous researches demonstrating that unhealthy attachment dynamics may be a risk factor for developing dysfunctional thinking patterns, as well for a wide range of behavioral and social difficulties (Allen et al, ; Egan & Perry, ; Lee & Hankin, ; Marsh et al, ; Murphy et al, ; Nikiforou et al, ). In addition, our results replicate earlier studies showing similar contributions of mothers, fathers, and peers on adolescents’ adjustment (Laible et al, ; Ruiz‐Ortiz, Braza, Carreras, & Muñoz Sánchez, ).…”