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Scientific literature has shown contextual factors that predict youth development, and family variables are the most important ones. In this study, we propose a model that explains the relation between family variables (relationship with parents and family activities) and Personal Positive Youth Development (assessed through Life satisfaction, Interiority, and Self-control), across different cultures. We recruited 2867 adolescents aged 12-18 years (52% female) from three countries: Spain, Mexico, and Peru. They completed an anonymous questionnaire. We run exploratory and confirmatory factor analyses, and structural equation modelling, testing for invariance across countries and sexes. In all subsamples, positive family relationships were associated with adolescents' Life Satisfaction. In addition, time invested on family activities was associated with Interiority and with Self-control. However, some differences across cultures and sex were found in the specific associations. Theoretical and practical implications are discussed regarding how to improve adolescent development through family life.

Scientific literature has shown contextual factors thatpredict youth development, and family variables are themost important ones. In this study, we propose a modelthat explains the relation between family variables (re-lationship with parents and family activities) and PersonalPositive Youth Development (assessed through Life sa-tisfaction, Interiority, and Self‐control), across differentcultures. We recruited 2867 adolescents aged 12–18 years(52% female) from three countries: Spain, Mexico, andPeru. They completed an anonymous questionnaire. Werun exploratory and confirmatory factor analyses, andstructural equation modelling, testing for invariance acrosscountries and sexes. In all subsamples, positive family re-lationships were associated with adolescents' Life Sa-tisfaction. In addition, time invested on family activities wasassociated with Interiority and with Self‐control. However,some differences across cultures and sex were found in thespecific associations. Theoretical and practical implicationsare discussed regarding how to improve adolescent devel-opment through family life

Se expone el resultado de un programa para reducir el temor a hablar en público e incrementar la autoeficacia entre estudiantes de Magisterio. La muestra está compuesta por 158 personas del grupo experimental y 101 del grupo control. Los resultados evaluados a través del Cuestionario de Autoeficacia para Hablar en Público muestran que los participantes en el programa mejoran su autoeficacia, sobre todo aquellos con puntuaciones más bajas, y que estos resultados se mantienen a lo largo del tiempo. Se concluye que la intervención ha sido eficaz y ha dotado a los alumnos de más recursos para aprovecharse de los factores que el contexto académico ofrece para desarrollar la competencia para hablar en público.