Genetic factors account for much of the variation in personality traits across the lifespan. Shared upbringing plays a smaller role in adult personality than many clinical models assume.

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 ...

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 ...

What’s so interesting about talking robots? From The Tin Man and C3P0 to HAL 9000, humans have long fantasized about bringing their lovable idiosyncrasies to metal and silicon. Now, as intelligent ...

Ask Erin Mantz why she loves personality tests, and she’ll tell you she’s a Pisces, an only child, and an introvert prone to self-reflection. “I’m constantly craving and searching for insights into ...