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espanolRESUMEN La necesidad de nuevos enfoques de intervencion para la prevencion de la violencia en el noviazgo (VN) deriva de las limitaciones de los programas existentes para lograr cambios conductuales. El objetivo principal de este estudio fue examinar el efecto de una intervencion breve –de una sesion– dirigida a promover una teoria incremental de la personalidad, sobre la perpetracion (PVN) y victimizacion (VVN) de violencia en el noviazgo. Se realizo un ensayo clinico aleatorizado doble ciego con dos grupos paralelos (experimental vs. control). Los participantes fueron 123 adolescentes (53,7% mujeres, Medad = 15.20, DT = 0.99). Las medidas de evaluacion se administraron una semana antes de la intervencion, seis meses despues de la intervencion y un ano despues de la intervencion. Los resultados de los modelos lineales jerarquicos mostraron que la interaccion entre el tiempo y la condicion fue estadisticamente significativa para la PVN, mostrando una disminucion significativa tanto en el abuso tradicional como en el ciberacoso en la pareja en la condicion experimental. La intervencion no tuvo ningun efecto para la VVN. Nuestros hallazgos sugieren que la intervencion disminuye la perpetracion de actos agresivos hacia la pareja y apoyan la idea de que las estrategias dirigidas a prevenir conflictos entre iguales pueden tambien prevenir la PVN. El incremento de evidencia empirica sobre la eficacia de una intervencion autoaplicable de una hora de duracion es de gran relevancia para avanzar en la prevencion de la VN. EnglishABSTRACT New intervention approaches are required for dating violence (DV) prevention, given the limited results of existing programs in achieving behavioral changes. The main objective of this study was to explore the effect of a brief, single-session intervention aimed at promoting an incremental theory of personality (ITP) on dating violence perpetration (DVP) and dating violence victimization (DVV). A double-blind randomized controlled trial (RCT) with two parallel groups (experimental vs. control) was conducted. Participants were 123 adolescents (53.7% females, Mage = 15.20, SD = 0.99). Assessment measures were administered one week prior to the intervention, and six months and one year after the intervention. The results of the hierarchical linear models showed that the interaction between time and condition was statistically significant for DVP, showing a significant decrease both in traditional and cyber dating abuse in the experimental condition. The ITP intervention had no effect on DVV. Our findings suggest that the ITP intervention decreases the perpetration of aggressive acts toward the dating partner and support the idea that strategies aimed at preventing peer conflict may also prevent DVP. Increasing our empirical evidence about the efficacy of a one-hour self-applied intervention is of great relevance for moving forward in the prevention of DV.

intervención psicosocial/intervención psicosocial

Efficacy of a Brief Intervention Based on an Incremental Theory of Personality in the Prevention of Adolescent Dating Violence: A Randomized Controlled Trial