Background/Objective: Training in conflict resolution strategies is a goal in different intervention contexts, and the Conflict Resolution Styles Inventory is a proven, useful tool for assessing these skills. Two studies were conducted, one aimed at analyzing psychometric properties of this instrument, and the other at verifying its ability to discriminate between violent and non-violent adolescent dating partners. Method: In the first study, with 592 adolescents, confirmatory factor analyzes were performed with the two subscales (self and partner). The second study, with 1,938 adolescents, tested whether the factorial structure obtained discriminates between levels of dating violence involvement. Results: Besides verifying the adequacy of items, the results of the first study showed the same three-factor structure in both versions: a positive approach to conflicts and two non-constructive styles, engagement and withdrawal. The second study demonstrated the discriminative capacity of both scales. Conclusions: The final tool, which consisted of 13 items with a good internal consistency, may be useful for assessing the effectiveness of interventions to improve conflict resolution skills, as well as for screening and classification purposes. (C) 2016 Asociacion Espanola de Psicologia Conductual. Published by Elsevier Espana, S.L.U.