TY - JOUR AU - Barrio, Cristina del AU - Martín, Elena AU - Montero, Ignacio AU - Gutiérrez, Héctor AU - Barrios, Ángela AU - de Dios Pérez, Mª. José PY - 2008 SN - 1697-2600 UR - http://hdl.handle.net/20.500.12020/576 AB - Despite the interest in determining the severity of peer victimization in schools, resulting in many survey studies, few have explored the issue through representative samples in a country, and even fewer longitudinal studies have been carried out. In... LA - en PB - Asociacion Espanola de Psicologia Conductual TI - Bullying and social exclusion in Spanish secondary schools: National trends from 1999 to 2006 T2 - International Journal of Clinical and Health Psychology M2 - 657 KW - School bullying incidence KW - Longitudinal survey KW - Age and gender differences KW - National trends KW - Secondary school climate KW - Ex post facto study VL - 8 ER -