Introduction: Extremism and the justification of violent and illegal acts among young people is one of the major concerns of democratic societies. We have not found any instrument that measures violent extremism among young people in Spain. The purpose of this study is to validate and evaluate the psychometric properties of the Spanish version of…

Introduction: Gender-based violence is a worldwide problem. School-based socio-educational interventions could be effective in preventing gender-based violence. We assessed the effectiveness of the "Let's focus!" program, aimed at health and equitable interpersonal relationships among high school students. Methods: We conducted a…

The objectives of this study were to establish the frequency of violent behaviors present in primary education (PE), to determine differences based on students' grade and gender, and to assess the evolution of behaviors between the fourth and sixth grades of PE. The research design was a cohort longitudinal ex post facto study with three measures.…

Introduction: Adolescence is a crucial stage for emotional and social development. Therefore, fostering emotional skills is key to improving well-being, social adaptation and providing tools to face the challenges characteristic of this period. This study evaluates the effectiveness of a program for developing emotional skills in adolescents.…