Cross-national studies consistently reveal that bullying is a pervasive problem in schools and associated with a multitude of deleterious outcomes. The present dissertation conducted two studies to further provide insight into this complex phenomenon and facilitate the development of effective bullying prevention programs. Youth involved in…

IPSY (Information + Psychosocial Competence = Protection) is a universal life skills program aiming at the promotion of generic intra-and interpersonal life skills, substance specific skills (for example, resistance skills), school bonding, knowledge, and the prevention of substance misuse with a focus on alcohol and tobacco in youth. This program…