The aim of this study was to determine the degree of influence of the proximity of high school students with peers who break rules on the role assumed these students within the bullying (bully, victim or viewer) in the metropolitan area of ​​the city Arequipa, considering sex and level of education. We evaluated 3979 high school students from state, private and parastatal schools in 19 districts in the province of Arequipa, aged between 11 and 19 years. A descriptive and binary logistic regression and multiple linear analysis was performed to model the association between variables. The results show a greater tendency of men to aggressive behavior and assume roles of "bully". The influence of offenders pairs of rules favors greater practical role of aggressor or victim. As for the frequency of bullying, there is a high prevalence of perpetrators and victims among respondents, nearly ...

El bullying es un fenómeno prevalente en América Latina. Desafortunadamente, la dificultad para su medición guarda relación con la carencia de instrumentos adaptados y validados. El objetivo del presente estudio fue validar la Escala de Agresión entre Pares (Cajigas, Khan, Luzardo, Najson, & Zamalvide, 2004) incorporando un factor que evalúa el ciberbullying y una subescala de victimización. Se empleó un muestreo probabilístico polietápico estratificado por afijación proporcional que contó finalmente con 3978 estudiantes de todos los grados de secundaria de escuelas públicas, privadas y de gestión mixta de 19 distritos del área metropolitana de Arequipa ( = 14.41 años de edad). Reportamos resultados satisfactorios para la validez del constructo, con base en el análisis factorial exploratorio y confirmatorio. Se extrajeron 11 factores (8 para la escala origi...