The tendency to experience negative emotions such as anxiety, anger, and depression. It measures emotional stability.

Characterized by excitability, sociability, talkativeness, assertiveness, and high amounts of emotional expressiveness.

Features characteristics such as imagination and insight. It measures the breadth, depth, and complexity of an individual's mental life and experiences.

Includes attributes such as trust, altruism, kindness, affection, and other prosocial behaviors.

Defined by high levels of thoughtfulness, good impulse control, and goal-directed behaviors.