The [[Big Five personality traits]] (the basis for the five factor model) are the five traits psychologists use to describe an individual's personality. While other traits exist, these are thought to define a large part of individuality. Hans Eysenck initiated this concept, but only included two personality traits, extraversion and neuroticism. | The [[Big Five personality traits]] (the basis for the five factor model) are the five traits psychologists use to describe an individual's personality. While other traits exist, these are thought to define a large part of individuality. Hans Eysenck initiated this concept, but only included two personality traits, extraversion and neuroticism. |