The Big Five Personality Traits
Openness	There is some evidence that it can be considered a ‘primarily cognitive’ trait (DeYoung, Peterson, and Higgins 2005). Generally, is defined as a tendency to be open to new intellectual and aesthetic experiences.
Conscientiousness	Tendency to be organized, responsible and hard-working. This trait has been linked to longevity and better health (Penley and Tomaka 2002).
Extraversion	It has been linked to higher returns of education, and leadership roles (Heineck and Anger 2010). It is broadly defined as a tendency for sociability and positive affect.
Agreeableness	Tendency to act in an unselfish and cooperative manner.
Neuroticism	In economics it has been found to be associated with risk aversion (Borghans et al. 2009). A broad definition is that neuroticism is a chronic level of emotional instability and/or proneness to psychological distress (Almlund et al. 2011).

This table is adapted from (Almlund et al. 2011).