What do psychologists mean when they talk about a "personality trait"?
A: A mood or emotional state that changes from day to day
B: A relatively stable pattern of thinking, feeling, and behaving that is consistent across situations
C: A specific skill or talent that distinguishes one person from another
D: A personality type assigned through psychological testing
Correct: A relatively stable pattern of thinking, feeling, and behaving that is consistent across situations
Personality traits are enduring characteristics — not moods that come and go, but consistent patterns in how a person tends to think, feel, and behave across many different situations and over time. If someone is reliably curious, organised, or warm across different contexts and years of their life, those are personality traits. Traits are different from states (temporary emotional conditions) and skills (learned abilities).
The most widely accepted model of personality in psychology is called the "Big Five." Which of the following is NOT one of the Big Five traits?
A: Openness to experience
B: Conscientiousness
C: Intelligence
D: Neuroticism
Correct: Intelligence
The Big Five personality traits — also known as OCEAN — are: Openness to experience, Conscientiousness, Extraversion, Agreeableness, and Neuroticism. Intelligence (or cognitive ability) is a separate dimension studied in psychology but is not considered a personality trait in this model. The Big Five emerged from decades of research across cultures and languages, and has strong scientific support as a description of the basic dimensions of human personality.
Popular personality tests like Myers-Briggs Type Indicator (MBTI) are considered scientifically reliable by most research psychologists.
Answer: False
The MBTI — which sorts people into 16 types — is widely used in workplaces and popular culture, but it has significant scientific problems. It forces people into categories (introvert or extrovert) when personality traits are actually continuous dimensions. Test-retest reliability is poor: studies show that around 50% of people get a different result when they retake the test a few weeks later. Most research psychologists prefer trait-based models like the Big Five, which have much stronger scientific support.
Research on personality consistency shows that:
A: Personality is fixed at birth and never changes
B: Personality is entirely shaped by environment and can change completely at any point
C: Core personality traits are relatively stable across adulthood but show gradual changes over the lifespan
D: Personality changes completely whenever people move to a new country
Correct: Core personality traits are relatively stable across adulthood but show gradual changes over the lifespan
Personality shows impressive stability across adulthood — people who are conscientious or neurotic at 30 tend to be similar at 60. However, personality is not completely fixed. People tend to become more agreeable, conscientious, and emotionally stable as they age — a pattern called "the maturity principle." Major life events, deliberate effort, and therapy can also shift personality traits over time. The picture is one of stability within the possibility of change.
Introverts dislike people and extroverts are always confident and socially skilled.
Answer: False
Introversion and extroversion are not about disliking people or social skill — they are primarily about where you get your energy. Introverts tend to recharge through solitude and find prolonged social interaction draining. Extroverts tend to gain energy from social contact and feel drained by too much alone time. Both introverts and extroverts can be warm, socially skilled, and enjoy company — the difference is in preferred stimulation levels, not social ability or attitudes toward people.
What does research suggest about the relationship between personality and life outcomes?
A: Personality has almost no effect on real-world outcomes
B: Personality traits predict outcomes like career success, relationship quality, and health
C: Only extraversion predicts success — introverts tend to do worse in life
D: Personality only affects how people feel, not what they do
Correct: Personality traits predict outcomes like career success, relationship quality, and health
Personality traits are meaningful predictors of important life outcomes. Conscientiousness — the tendency to be organised, disciplined, and reliable — is one of the strongest personality predictors of career success and academic achievement. High neuroticism (tendency to experience negative emotions) is associated with worse mental and physical health. Agreeableness predicts relationship quality. These effects are real and significant, though personality is just one of many factors that shape outcomes.