Introversion: Introversion is the opposite of extraversion. It refers to the personality trait characterized by inward-focused tendencies, such as being reserved or preferring solitude.
Neuroticism: Neuroticism is another primary trait in personality theory. It describes emotional instability, anxiety, and moodiness.
Psychoticism: Psychoticism is the third broad trait proposed by this theory. It represents a tendency toward aggression, impulsivity, and a lack of empathy.