Final answer:
Neuroticism is a feature of Eysenck's personality theory that refers to the tendency to experience negative emotions. Those who score high on neuroticism tend to be emotionally unstable, while those who score low tend to be calm.
Step-by-step explanation:
Neuroticism is a feature of Eysenck's personality theory that refers to the tendency to experience negative emotions. People who score high on neuroticism tend to be emotionally unstable, angry, impulsive, and hostile. On the other hand, those who score low in neuroticism tend to be calm and even-tempered.