Alexander Christensen's recent study probably won't rewrite 40 years of history in the field of psychology, but he hopes that his research team's quantitative approach to developing and evaluating ...

Forbes contributors publish independent expert analyses and insights. I write about relationships, personality, and everyday psychology. Personality tests are often treated as tools for diagnosis or ...

Some people believe personality is fixed, but more recent research suggests that personality may develop over time and that people’s personality traits can change. Personality types group people into ...

People with borderline personality disorder often have difficulty creating a structured, adult container for their life. Instead of developing and sticking to a daily schedule for predictable ...