Estudio (6) Psychology (5) Psicología (5) Measurement (4) Factores (4) Labor (3) Factor analysis (3) Análisis factorial (3) Medición (3) Trabajo (3) Drugs of abuse (2) Programs (2) Teenagers (2) Recidivism (2) Violence (2) Theft (2) Socialization (2) Self-esteem (2) Research (2) Parents (2) Literature (2) Juvenile delinquency (2) Drug abuse (2) Crime (2) Consumption (Economics) (2) Communication (2) Cocaine (2) Cannabis (2) Alcohol (2) Drogas--Consumo (2)