Researchers and psychologists have identified the following characteristic traits as the central dimensions of our personalities: extraversion, agreeableness, conscientiousness, neuroticism, and openness. These 5 traits are components of what has become known as “The Big Five Personality Theory”. While many previous theories indicated that there were many more aspects to personality—some listing as many as 4,000 traits—recent trends have leaned towards a more streamlined foundation which can be used to explain human behavior.