EN
According to L.Kohlberg's theory about human's moral development we can find level of moral development in awareness, believes and acts. Adolescents (13-16 years old) write their online diaries about surrounding reality, express their reactions, thoughts and experiences. They also try to justify behaviors. Analysis of notes from 100 online diaries shows us adolescent's moral rules and enables us confrontation with L. Kohlberg's theory.