The study looked at the personality traits of adolescents based on their gender. Girls tended to be more open to new experiences, conscientious, and neurotic, while boys were more agreeable and less extraverted. As adolescents got older, they became more open, conscientious, and agreeable, but less neurotic. Girls tended to be more conscientious than boys, while boys were more open to new experiences. Education was linked to being more open, conscientious, and agreeable, but less neurotic.