Although friendship is a key source of support and intimacy for adolescents, adolescent friendships can also involve victimization, which can be harmful to youth well-being. To date, our understanding of victimization in friendship has been limited by a lack of measures that comprehensively capture the variety of negative behaviors occurring in this relationship. This study outlines the development and preliminary validation of the Friendship Victimization Scale for Adolescents (FVS-A), which assesses victimization and controlling behaviors in adolescent friendships. Adolescents (