Teenagers (7) Students (6) Education, Secondary (6) Estudio (5) Adolescentes (5) enseignement secondaire (4) Education (Secondary) (4) Self-perception (4) Research (4) Adolescence (4) adolescence (4) établissement scolaire (3) Tobacco (3) Self (3) Psychology (3) Anxiety (3) Alcohol (3) Students (3) Factores (3) Estudiantes (3) Investigación (3) Ansiedad (3) Psicología (3) spectacle (2) attribution (2) âge (2) Scores (2) Self-efficacy (2) Labor (2) Weights and measures (2)