Research Feed

Researchers in China gave 1,052 adults two personality questionnaires: the Big Five Inventory-2 and a newer scale based on the I Ching, the Quantum-8-Personality Scale. They found modest links between the two. The Q8P trait "Contradiction" (indecisiveness, inner conflict) tracked with Big Five neuroticism, Q8P extraversion tracked with Big Five extraversion, and Q8P "Yanggang" (persistence, responsibility) tracked with conscientiousness. The new scale's structure failed to hold up in testing, so the authors call the results exploratory.

Following 1,110 low-income, mostly first-generation Mexican-origin adults for 16 years, researchers found that job loss disrupted the usual maturing of personality. Afterward, people became less agreeable, less conscientious, and less open to experience, and the normal decline in neuroticism stalled. When a spouse lost a job, partners also grew less agreeable and open, but showed an immediate rise in conscientiousness. Declines in agreeableness, conscientiousness, and openness were steeper when the husband was the one who lost work. People who lost jobs also showed less stable overall personality profiles, though effects were small and relative standing on each trait stayed stable.

This study followed 80 Polish female education students (68 remained) across four years of a teacher program that included training in psychological strengths like hope and resilience. Students' friendly feelings about time rose overall, while hostile feelings stayed about the same. Higher openness, extraversion, and agreeableness went with friendlier time attitudes, and higher neuroticism and conscientiousness went with more hostile ones. Students who scored high on directiveness (a tendency to control others) showed bigger drops in both friendly and hostile attitudes.

This systematic review of 16 studies (2020–2025) examines how the Big Five traits relate to online shopping and related digital behavior. Conscientiousness protects against impulsive and compulsive buying, while neuroticism is the strongest driver of both, including panic buying. Extraversion shows the broadest influence, notably on sharing information on social media. Openness encourages exploratory behavior, such as using online reviews. Agreeableness is the most context-dependent trait. Findings vary across cultures, and impulsive buying dominates the research.

This small survey of 102 college students found that curiosity, meaning the drive to seek out and become absorbed in new experiences, was linked to three Big Five traits. Students higher in openness, extraversion, and conscientiousness reported more curiosity. Agreeableness and neuroticism showed no significant relationship with it. The authors tie curiosity to traits involving engaging with the world, goal-directed effort, and openness to new ideas.

In this vignette study, 392 German music teachers rated a fictional student who had won either a top national or a mid-level regional competition prize. Students the teachers judged musically gifted were rated higher on intelligence, motivation, and musical ability, but not on social or behavioral traits. Teacher personality mattered only a little. More agreeable teachers rated average-ability students as more socially skilled, and more conscientious teachers rated gifted students as more intelligent. Openness, extraversion, and neuroticism showed no effects.

This study of 400 Pakistani adolescents (ages 13 to 16) found that authoritative parenting, meaning warm but firm and consistent, was linked to higher emotional intelligence, both directly and through personality. Teens who described their parents this way scored higher in agreeableness, extraversion, conscientiousness, and openness, and lower in neuroticism. Each of these traits in turn predicted emotional intelligence. Agreeableness was the strongest pathway and conscientiousness the weakest.

Which childhood behaviors reflect the genes tied to adult personality, before adult personality even fully forms? Using polygenic scores in over 5,500 children tracked from ages 9–13, this study found genetic propensity to neuroticism was the strongest and broadest signal (showing up as anxiety, depressed mood, sleep problems, more screen time, and even lower parental education and more family conflict). Genetic openness linked to better verbal reasoning and daydreaming (and interestingly, to later self-identifying as gay or bisexual). Genetic conscientiousness predicted being organized and persistent, agreeableness predicted fewer aggressive or rule-breaking behaviors, and extraversion predicted sociability and lower shyness. Notably, some links (like prosocial behavior and sensation-seeking) only emerged at the older age band, suggesting certain genetic "personality signatures" don't show up behaviorally until a bit later in development, indicating that the traits are latent in the genome well before they're visible in behavior.

This study combined results from 203 previous studies (nearly 4,800 correlations) to see how specific, narrow personality traits, not just the broad "Big Five," predict two things: whether someone becomes seen as a leader (emergence) and whether they're actually good at leading (effectiveness). The researchers found that these two outcomes are often driven by different traits. For example, assertiveness (a piece of extraversion) explains most of why extraverts tend to become leaders in the first place, even though extraversion overall isn't a strong predictor of whether they lead well once in charge. Similarly, being hardworking, organized, and self-disciplined (all part of conscientiousness) predicted job performance as a leader, while other conscientiousness-related traits, like rule-following, did not. The study also found that what makes a good leader depends on context: optimism mattered more for top executives, while being highly organized mattered more for student leaders than for people already working in organizations. Combining these narrow traits into custom-weighted scores predicted leadership success much better than using the broad Big Five traits alone, suggesting that companies could build better, more targeted assessments for hiring and promoting leaders.

PDF please repeat for this article Among 647 Chinese university students, neuroticism was the strongest predictor of nightmares, bad dreams, and nightmare distress, while extraversion showed a modest protective effect against milder, non-waking bad dreams. But the study went further, grouping students into three personality "types" based on Big Five patterns: overcontrolled (high neuroticism, low everything else), undercontrolled (impulsive, low agreeableness/conscientiousness), and resilient (emotionally stable, high conscientiousness). Both overcontrolled and undercontrolled types reported more frequent and distressing nightmares than resilient types, but for different reasons: one group seemed to internalize distress, the other struggled with impulse control. Distress was worst when overcontrolled individuals faced real-life stress and relied on avoidance coping, suggesting nightmare vulnerability isn't just about traits in isolation, but how personality, stress, and coping style combine.

Can resting brain activity predict your personality? Researchers recorded 5 minutes of resting-state EEG from 115 Chinese university students and tried to predict Big Five scores from patterns of brain connectivity. The results were modest: conscientiousness showed the strongest link, tied to alpha-band connectivity (r = .30); extraversion linked to beta-band connectivity (r = .25); and neuroticism linked to theta-band phase synchronization (r = .25) — the only one that survived strict statistical correction. Agreeableness showed no detectable brain signature at all. The authors are notably cautious themselves, framing these as small, exploratory effects that need replication in bigger samples before drawing any real conclusions, a reminder that even genuine trait-related brain differences tend to be faint and hard to pin down with current methods.

Want to stay active in later life? Personality may matter more than we think. This rapid review of 19 studies on adults 40+ found extraversion consistently linked to higher physical activity across the board, while neuroticism showed the opposite pattern, especially from midlife onward. Conscientiousness's link to activity actually got stronger with age (perhaps as sustained self-discipline pays off over time) while openness mattered mainly during life transitions (like retirement) rather than as a steady predictor. Agreeableness showed no clear pattern either way. The review also found almost no interventions tailored to personality, but the two that existed were telling: a digital self-control program worked best for highly conscientious people, while an exergaming program was more motivating for less extraverted participants — suggesting future activity programs might do better by matching the approach to the person rather than using one-size-fits-all.

This large-scale genomic study meta-analyzed data from over 611,000 to 1.14 million people across 46 cohorts to identify DNA variants associated with the Big Five personality traits. The researchers found 1,260 significant genetic variants (824 new), with common variants explaining a modest 5–9% of trait variance (far less than the 40–60% suggested by twin studies, indicating environment plays a major role. Genetic effects were remarkably consistent across countries, ages, and reporting methods (self vs. other-report), and largely unconfounded by family environment or assortative mating) unlike traits such as educational attainment. Polygenic scores and Mendelian randomization analyses linked personality genetics to psychiatric disorders, health behaviors, career outcomes, and even research participation, with some evidence for causal effects (e.g., conscientiousness lowering BMI, extraversion raising COVID infection risk).

Across two studies (cross-sectional and 4-wave longitudinal), "healthy personality"—higher extraversion, agreeableness, conscientiousness, openness, plus lower neuroticism—consistently predicted higher well-being (mental health, life satisfaction, worthwhileness), driven mainly by overall trait elevation rather than resemblance to a specific personality "profile." Healthy personality did predict higher levels, but not stability or change, in well-being or psychological richness (novelty, challenge, perspective shifts) over time.

Using confirmatory factor analysis on 408 Chinese private university students in Chengdu, this study validated the five-factor structure of Openness, Conscientiousness, Extraversion, Agreeableness, and Neuroticism, with acceptable-to-excellent model fit across all dimensions. The study confirms the Big Five's structural validity in this population, supporting institutional recommendations like personality development courses and data-driven student profiling systems to guide holistic growth.

Researchers compared laypeople's beliefs about personality stability to actual data. Study 1 surveyed 887 US adults; Study 2 analyzed 166,971 people across 8 longitudinal datasets tracking Big Five traits from ages 15-90. People believe personality barely changes, but empirically, neuroticism dropped 0.40 SD and extraversion 0.78 SD over the lifespan. Changes as large as those seen in income or health. Conscientiousness alone shifted a cumulative 1.91 SD across adulthood, comparable to major life-outcome variables.

In a 16-year study of 1,110 Mexican-origin adults, job loss disrupted normal personality maturation: conscientiousness and agreeableness declined, and neuroticism's typical age-related decline stalled. Openness dropped both before and after job loss. Rank-order stability was unaffected, but personality profile stability weakened. A partner's job loss also mattered (especially a husband's), which triggered lasting declines in the spouse's agreeableness, conscientiousness, and openness, though conscientiousness sometimes rose compensatorily.

In a study of 425 Iraqi healthcare workers, Extraversion, Conscientiousness, and Openness positively predicted innovative work behavior, while Agreeableness and Neuroticism predicted it negatively. Psychological safety mediated all five relationships, meaning employees' sense that risk-taking was safe determined whether their traits translated into innovation. Notably, Agreeableness boosted psychological safety yet still reduced innovation directly: agreeable employees felt safe but avoided the interpersonal friction innovation often requires, prioritizing harmony over disruptive idea-sharing.

Analyzing 213,259 adolescents across 30 countries via PISA 2022, this study found curiosity, perseverance, emotional control, empathy, assertiveness, and stress resistance each positively predicted science achievement, while cooperation showed a small negative link. Curiosity and perseverance were the strongest predictors. These trait-achievement associations were notably stronger in individualist societies, suggesting cultural context shapes how personality translates into academic performance.

This study compared 125 older adults (71–101 years) from Sardinia's Blue Zone versus a nearby non-Blue Zone. Openness, conscientiousness, and agreeableness correlated with better psychological well-being; neuroticism correlated with lower Health-Related Quality of Life (HRQoL). Blue Zone residents showed higher openness, better coping and emotional competence, and more leisure engagement than non-Blue Zone peers, suggesting adaptive personality traits and active lifestyles jointly support successful aging in this exceptional-longevity population.