Forbes contributors publish independent expert analyses and insights. Mike Kappel is the Founder of Patriot Software, LLC. Every person has their own unique personality. It’s what makes us who we are.

Almost by definition, personality traits are thought to be enduring psychological features. They mark someone as thinking and behaving in a characteristic way right now—and, probably, tomorrow and ...

Most people believe that personality is generally very stable—and in many ways, they’re right. If you are an extravert, for example, it’s not quite possible for you to turn into an introvert overnight ...

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 ...

Based on genetic studies, scientists estimate that 30% to 60% of your personality is inheritable. Research also suggests that significant personality changes tend to occur between ages 20 to 40. Were ...