Big Five personality traits. In psychology, the Big Five personality traits are five broad domains or dimensions of personality that are used to describe human personality.
The theory based on the Big Five factors is called the five-factor model (FFM).[1] The five factors are openness, conscientiousness, extraversion, agreeableness, and neuroticism. Acronyms commonly used to refer to the five traits collectively are OCEAN, NEOAC, or CANOE. The Big Five Personality Dimensions - Overview of the Big Five Personality Dimensions. What Are the Big Five Dimensions of Personality?
Personality researchers have proposed that there are five basic dimensions of personality. Today, many contemporary personality psychologists believe that there are five basic dimensions of personality, often referred to as the "Big 5" personality traits. Previous trait theorist had suggested a various number of possible traits, including Gordon Allport's list of 4,000 personality traits, Raymond Cattell's 16 personality factors and Hans Eysenck's three-factor theory.
The Interpretation of Dreams by Sigmund Freud.