Which of the following is NOT one of the five dimensions of the Big Five theory of personality? (a) Openness (

Concept understanding — Neuroticism

Neuroticism is one of the five broad personality traits in the Big Five model, and it is the trait most closely linked to how you experience negative emotions. To get a feel for it, think about two people stuck in the same traffic jam. One person gets mildly annoyed, turns on the radio, and waits. The other person feels their heart race, starts sweating, and spends the whole time worrying about being late, imagining the boss’s anger, and feeling a knot in their stomach. That second person is higher in neuroticism.

At its core, neuroticism is a person’s tendency to experience negative emotional states — anxiety, fear, anger, frustration, guilt, sadness, and moodiness — more frequently and more intensely than others. It is not about being "crazy" or having a mental illness; it is a normal, stable dimension of personality that exists on a spectrum. Everyone has some level of it, just like everyone has some level of extraversion.

A person high in neuroticism lives with a lower threshold for threat and frustration. Their nervous system is more reactive to stress. Small setbacks feel like big disasters, and minor criticisms can sting for hours. They are more prone to worry, self-doubt, and rumination — replaying negative events in their mind. This makes them more sensitive to their environment, but it also makes daily life emotionally exhausting.

A person low in neuroticism (often called emotionally stable) is the opposite. They are calm, even-tempered, and less easily upset. They bounce back from bad news quickly and do not dwell on problems. This does not mean they never feel sad or angry — it means those feelings are less frequent and less intense, and they pass faster.

Note

Neuroticism is sometimes called "emotional instability" or "negative emotionality." In older theories, it was linked to a sensitive "limbic system" — the part of the brain that processes emotion and threat. The key idea is that it is about reactivity, not about being a negative person. A high-neuroticism person can be warm and kind; they just feel the rough edges of life more sharply.

Why does this matter for a commerce or humanities student? Because neuroticism has real-world consequences in three areas you will study:

Work and career: High neuroticism is linked to lower job satisfaction, higher burnout, and more difficulty handling workplace pressure. Emotionally stable people tend to perform better in high-stress roles like management, sales, or customer service. However, high neuroticism can also drive perfectionism and vigilance — useful in detail-oriented work if managed well. …

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Introversion is not a Big Five dimension; the model uses Extraversion (not Introversion) as one of its five traits.

The Big Five theory of personality—also called the Five-Factor Model—organizes human personality into five broad, stable dimensions that capture the major ways people differ from one another. These dimensions emerged from decades of research analyzing how people describe themselves and others, and they have proven remarkably consistent across cultures and measurement methods.

The five dimensions are:

Openness to Experience – curiosity, imagination, willingness to try new things, appreciation for art and ideas.
Conscientiousness – organization, dependability, self-discipline, goal-directed behavior.
Extraversion – sociability, assertiveness, energy in social settings, tendency to seek stimulation and the company of others.
Agreeableness – compassion, cooperativeness, trust, concern for social harmony.
Neuroticism – emotional instability, anxiety, moodiness, tendency to experience negative emotions.

A helpful mnemonic is OCEAN or CANOE, using the first letter of each dimension. …

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Q.Which of the following is NOT one of the five dimensions of the Big Five theory of personality?

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