Research Feed

Using PLS-SEM with 530 Chinese participants, this study models how Big Five traits shape adoption of AI-powered financial robo-advisors via perceived intelligence and anthropomorphism. Conscientiousness, extraversion, and agreeableness positively influenced both AI perceptions and adoption directly; neuroticism negatively affected perceptions, impacting adoption indirectly through anthropomorphism. Surprisingly, openness had no significant effect, suggesting financial decision-making contexts prioritize reliability over novelty-seeking tendencies.

This cross-sectional study of 291 Chinese dental students examined how Big Five traits relate to empathy, with resilience as a mediator. Extraversion, agreeableness, conscientiousness, and openness positively predicted empathic concern and perspective-taking, while neuroticism was associated with personal distress. Resilience fully mediated links between empathy and agreeableness, conscientiousness, and openness, and partially mediated its relationships with extraversion and neuroticism, suggesting resilience-building as a lever for empathy training.

This Forbes opinion piece by executive coach Megan Malone reports on a Truity survey of 56,000+ people finding that Big Five personality traits predict AI attitudes at work. High conscientiousness correlates with enthusiastic AI "superusers" who view it as a productivity tool, while high openness and high neuroticism both predict skepticism: openness due to concerns about creative ownership, neuroticism due to anxiety about risk and job security.

A 2026 French longitudinal study (n=94, 10 weeks) tracked how exercise becomes more "second nature" (requiring less conscious effort and willpower) over time. More conscientious people developed automatic exercise habits faster; higher neuroticism made it harder to feel in control early on. Practically, building consistent routines matters more than choosing a specific activity type.

Using Big Five personality traits and Latent Profile Analysis, this study segments South Korean robotic café customers into two profiles: "Mindful Consumers" (higher neuroticism, lower openness) and "Future-Forward Consumers" (higher openness, extraversion, agreeableness). The latter reported stronger emotional engagement and word-of-mouth intentions, especially in fully automated settings. The study demonstrates how trait configurations can predict real-world consumer behavior and inform differentiated service design strategies.

A James Cook University study of over 320 people found that dog owners score higher in psychological resilience, while cat owners score higher in neuroticism. Researchers suggest this reflects pre-existing personality traits rather than pet influence: resilient people may be drawn to dogs' structured demands, while those with higher emotional reactivity may prefer cats' independence. The direction of causality, however, remains unclear.

UBC psychologist Leanne Tenbrink discusses her book Poisonous People and research on dark personality traits (psychopathy, narcissism, Machiavellianism, and sadism) in professional settings. Contrary to her hypothesis, hedge fund managers displaying psychopathic behaviors earned less over time. She explains how these traits are overrepresented in leadership, why confident dark traits are mistaken for competence, and how job ads and organizational culture can inadvertently attract and amplify them.

This CHI 2026 paper tests whether Big Five (OCEAN) traits can be embedded in AI coding agents. Researchers created three profiles (a no-personality Baseline, a Cautious Guardian (thorough, risk-focused), and a Decision Builder (confident, exploratory)) and had 14 developers use all three on refactoring tasks. Personalities were reliably detectable without hurting task completion, but preferences diverged sharply, suggesting adaptive personality customization may outperform any single universal style.

This correlational study of 80 Filipino public school employees examined how Big Five traits relate to workplace relationship quality. Employees scored high on agreeableness, openness, conscientiousness, and extraversion, with moderate neuroticism. All four high-scoring traits positively and significantly correlated with communication, trust, job performance, and perceived leadership style. Neuroticism showed no significant relationship with any of these factors, suggesting it is a poor predictor of workplace relationship quality.

Journalist Laurie Clarke, who scored with a high percentile for neuroticism on the Big Five personality test, spent six weeks deliberately trying to shift her personality traits through targeted behavioral exercises such as meditating, journaling, attending social events, and practicing kindness. Drawing on real psychological research, she found measurable results: her neuroticism dropped to the 50th percentile, extraversion and agreeableness both improved noticeably. She concludes that intentional personality change is possible, though modest, and requires consistent effort.

This meta-analysis of over 65,000 participants confirms that Big Five traits significantly shape our nocturnal experiences. Neuroticism is the primary predictor of nightmare frequency and emotional distress, while Openness correlates with high dream recall, vividness, and lucid dreaming. Extraversion mainly influences the social sharing of dreams. These findings support 'continuity models,' suggesting that our waking affective vulnerabilities and cognitive styles directly extend into our dream lives.

This study highlights that core personality traits are powerful predictors of baseline fitness and the specific exercise intensities individuals enjoy. Notably, participants scoring high in Neuroticism experienced the most significant stress-reduction benefits from aerobic training, suggesting a targeted emotional utility for exercise. Across the spectrum, Openness, Conscientiousness, and Extraversion further dictate these behavioral patterns, providing a scientific basis for how stable traits influence physical health. By understanding these links, interventions can be better tailored to leverage an individual's personality for improved well-being and long-term fitness adherence.

The article argues that understanding your personality through the Big Five model (Openness, Conscientiousness, Extraversion, Agreeableness, and Neuroticism) can help reduce stress. When core personality needs go unmet, people exhibit stress behaviors. By identifying where you fall on each trait's spectrum, you can better recognize your personal needs and adjust your habits and environment accordingly; ultimately becoming a calmer, more effective version of yourself.

Using German panel data and a job search and bargaining model, this study finds that Big Five personality traits shape wages and employment through multiple channels. Higher conscientiousness and emotional stability raise earnings and shorten unemployment for both sexes, while agreeableness reduces wages and bargaining power. Women's tendency toward higher agreeableness and lower emotional stability accounts for roughly as much of the gender wage gap as differences in work experience do.

This large-scale meta-analysis of over 150,000 participants explores how the Big Five traits influence dietary habits. Researchers found that lower Neuroticism and higher levels of Openness, Conscientiousness, Extraversion, and Agreeableness consistently predict a healthier diet. These traits affect everything from fruit intake to emotional eating patterns. Interestingly, the positive link between Agreeableness and healthy eating becomes even stronger as people get older.

Using Last.fm listening data from 541 users, this study examined how Big Five traits relate to naturally occurring music preferences, analyzing genre tags, emotion tags, and their co-occurrence. Extraversion correlated with high-energy genres like hip-hop, rap, and techno, as well as nostalgic hip-hop and jazz. Openness linked to jazz subgenres. Neuroticism predicted preference for mellow, atmospheric genres like shoegaze and dream-pop, co-occurring with low-arousal emotions like sadness and tenderness, while negatively correlating with high-arousal trance and world music.

This systematic review of 58,812 participants demonstrates that Big Five personality traits significantly influence sleep. High Neuroticism consistently correlates with poor sleep quality and disturbances, while Conscientiousness is a strong predictor of 'morningness' and better sleep hygiene. These findings suggest that personality-driven behaviors shape our nocturnal routines, highlighting the potential for personalized clinical interventions that account for individual psychological profiles to improve long-term sleep health.

This meta-analysis of 148 studies confirms a consistent negative correlation (r = -0.238) between neuroticism and relationship quality. Interestingly, factors like race, sexual orientation, and the use of longitudinal versus cross-sectional data did not change this fundamental link. However, the researchers identified that age, relationship length, and geographical region do moderate the strength of this association. To help practitioners, the study proposes a model showing how neuroticism damages relationships through specific emotional patterns and behaviors.

This five-decade longitudinal study reveals that vaccine resistance and hesitancy are rooted in deep-seated psychological histories rather than simple misunderstandings. Key predictors include adverse childhood experiences, long-standing mental health struggles, and specific personality traits like nonconformism, fatalism, and high negative emotionality. Furthermore, many resistant individuals faced cognitive challenges in processing complex health data. These findings suggest that vaccine attitudes are established well before adulthood, highlighting the need for early childhood education and tailored messaging that accounts for these lifelong cognitive and emotional frameworks.

This massive study of over 350,000 people across six continents reveals that preferences for Western music follow universal patterns that transcend cultural boundaries. By analyzing both genre favorability and direct audio reactions, researchers identified five consistent latent factors of musical preference that remain stable across different countries. These preferences are closely linked to the Big Five personality traits regardless of location; for instance, Extraversion consistently predicts a liking for upbeat Contemporary styles, while Openness correlates with a preference for complex Sophisticated music. Because these correlations (along with those involving gender and ethnicity) are so invariant, the findings suggest a deep, universal connection between human psychology and musical taste.