- O - Openness to New Experiences measures how much you prefer novelty over the familiar
- C - Conscientiousness measures how neat, orderly and dependable you are.
- E - Extroversion measures how outgoing and sociable you are.
- A - Agreeableness measures how trusting you are and how much you get along with others.
- N - Neuroticism measures how vulnerable you are when faced with emotional disturbances.
One useful mental model to have for readers of the blog is the OCEAN personality model, where we can describe a person's personality by 5 axes. This is the Rolls Royce of personality models and psychologists are able to map each factor into an actual biological brain function: