https://doi.org/10.1177/0886260518801022 Journal of Interpersonal Violence 1–21 © The Author(s) 2018 Article reuse guidelines: sagepub.com/journals-permissions DOI: 10.1177/0886260518801022 journals.sagepub.com/home/jiv Original Research Psychological Intimate Partner Violence and Childhood Cumulative Trauma: The Mediating Role of Affect Dysregulation, Maladaptive Personality Traits, and Negative Urgency Caroline Dugal, 1,2 Marianne Girard, 1,2 Claude Bélanger, 1,2 Stéphane Sabourin, 2,3 Elizabeth A. Bates, 4 and Natacha Godbout 1,2 Abstract The current study examined the mediating role of affect dysregulation, maladaptive personality traits, and negative urgency in the association between childhood cumulative trauma (CCT) and psychological intimate partner violence (IPV). A total of 241 men and women from the general population answered self-report questionnaires assessing these variables. Results indicated that 70% of participants reported at least two different types of childhood trauma, while, over the past year, 80% indicated having perpetrated or experienced 1 Université du Québec à Montréal, Montréal, Québec Canada 2 Interdisciplinary Research Centre on Intimate Relationship Problems and Sexual Abuse (CRIPCAS), Montréal, Quebec, Canada 3 Université Laval, Quebec City, Quebec, Canada 4 University of Cumbria, Carlisle, UK Corresponding Author: Caroline Dugal, Département de Psychologie, Université du Québec à Montréal, Case Postale 8888, succursale Centre-ville, Montreal, Quebec, Canada H3C 3P8. Email: caroline.dugal24@gmail.com 801022JIV XX X 10.1177/0886260518801022Journal of Interpersonal ViolenceDugal et al. research-article 2018