Researchers in many fields, especially those engaged in the study of gender-based violence, have shown an interest in using mixed designs as innovative methodological procedures to transform social realities. In this article, we introduce the ''communicative evaluation of social impact'' as a methodological tool to reveal the social impact achieved by a multiphase mixed methods design conducted sequentially on gender-based violence in Spanish universities. This tool shows the transformative power of mixed methods with a communicative orientation to generate new legislation, create proper conditions for reporting abuse, and establish new solidarity dynamics with and among the victims to promote violence-free universities.