Answer:
c. neuroticism
Step-by-step explanation:
Neuroticism: In psychology, neuroticism is one of the factors of the Big Five personality traits. Every factor of the personality trait carries two aspects, i.e, the low and the high score on neuroticism.
A person scoring high on neuroticism tends to be moody, experiences worry, anger, anxiety, fear, envy, guilt, insecure, depression, frustration, and loneliness.
An individual dealing with neuroticism is said to be in a state of negative and anxious emotional state for a long duration.
Neuroticism is a non-medical condition.
In the question above, Siena is illustrating the neuroticism factor of the Big Five personality trait.