[Psychometric analysis of the AF5 multidimensional scale of self-concept in a sample of adolescents and adults in Catalonia].

The aim of this study is to carry out a psychometric study of the AF5 scale in a sample of 4.825 Catalan subjects from 11 to 63 years-old. They are students from secondary compulsory education (ESO), from high school, middle-level vocational training (CFGM) and from the university.

[Alcohol consumption patterns in adolescence].

This study analyses alcohol consumption patterns and the role of social influence and risk perception of this substance on its consumption, in a sample of 1,624 secondary school students from Girona aged between 12 and 18 years (49.4% boys). The results show that 20.