Research Feed

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.

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.

This comprehensive meta-analysis of over 160,000 participants explores the deep connections between personality and intelligence. The findings identify Openness and Neuroticism as the strongest predictors of cognitive ability, with Openness specifically linked to 'crystallized' intelligence, or acquired knowledge. By looking at specific facets, the researchers found that intellectual engagement and unconventionality correlate positively with intelligence, while traits like sociability and orderliness actually show slight negative correlations.

Applying a Lewinian interactionist framework, this study examined how both government policy and personality traits influenced sheltering-in-place behavior across 54 countries. Researchers found that while strict government policies effectively increased compliance, individual personality traits remained significant predictors of behavior. Specifically, high levels of Openness, Conscientiousness, Agreeableness, and Neuroticism were linked to staying home, while Extraversion was associated with lower compliance. Notably, the influence of Openness and Neuroticism weakened as government restrictions became more stringent, suggesting that while personality drives behavior in flexible environments, strong external policies can partially override these internal tendencies.

This study leverages massive streaming data from Spotify to demonstrate that musical preferences are a powerful window into personality. By analyzing millions of songs and over 200 behavioral metrics, researchers used machine learning to predict Big Five traits with high accuracy. The findings challenge previous theories by proving that our digital listening habits (rather than just self-reported tastes) provide a remarkably precise reflection of our underlying psychological makeup.

This meta-analysis of 90,000 participants identifies Neuroticism, Extraversion, Openness, and Conscientiousness as key predictors of verbal fluency. These traits consistently correlate with word retrieval across all age groups, independent of education. Notably, the protective effects of these personality profiles are strongest in older adults and those with less education, highlighting their significant role in maintaining cognitive resilience against age-related decline.

Research identifies that the clinical impact of nightmares is driven not only by how often they occur but by the dreamer's underlying emotional framework. While nightmare frequency is a baseline factor, Neuroticism (or heightened emotional reactivity) is a significant contributor to the distress these dreams cause. This supports the neurocognitive model of dreaming, suggesting that those with higher emotional sensitivity process nightmare content with greater intensity. Additionally, nightmares that directly mirror real-life events are linked to higher distress levels. These findings suggest that addressing a nightmare disorder requires looking beyond the frequency of the episodes to treat the individual's emotional response and the specific waking-life connections involved.

This chapter offers a comprehensive introduction to the theoretical frameworks and empirical evidence linking personality to parenting. It begins by establishing the core concepts within personality psychology and parenting research, then transitions into a detailed review of how specific traits influence caregiving behaviors. The chapter concludes by identifying critical gaps in the current literature, proposing future research directions, and summarizing the broader implications of these personality-parenting associations.

This large-scale longitudinal study involving over 22,000 adults demonstrates a powerful, bidirectional relationship between personality and sleep quality. Lower Neuroticism and higher Extraversion were the strongest predictors of better sleep, often outweighing demographic factors. Conversely, low Conscientiousness predicted a decline in sleep quality over time. Notably, the relationship is reciprocal: poor sleep quality was associated with 'detrimental' personality trajectories, including steeper declines in Extraversion, Agreeableness, and Conscientiousness. These findings suggest that sleep is not just a health outcome influenced by personality, but a critical factor in maintaining a stable and healthy personality profile as we age.

This meta-analysis examined links between Big Five personality traits and physical activity across over 60 studies. Extraversion, conscientiousness, and openness showed small positive associations with activity, while neuroticism showed a small negative link; agreeableness was not related. Effects varied across study designs and samples. Overall, findings suggest personality has modest but meaningful connections to physical activity, highlighting the need for stronger measures and longitudinal research.

The site includes over 3,000 items and over 250 scales that have been constructed from the items. New items and scales are developed on an irregular basis. The items and scales are in the public domain. This work offers a robust scientific foundation for understanding the stable patterns of human personality and their significant real-world implications across different environments.

A meta-analysis of nearly 6,000 parent-child dyads indicates that a parent’s personality serves as a significant resource for their caregiving style. Higher levels of Extraversion, Agreeableness, Conscientiousness, and Openness correlate with increased warmth and behavioral control. Furthermore, Agreeable parents with low Neuroticism are more likely to support a child’s autonomy. Although these effects are small, they remain consistent across various assessment methods and family structures.

This study investigated how the Big Five traits and problem appraisals influence how men cope with daily stressors. Researchers found that low perceived control shifts coping from direct action toward distraction and acceptance, while stressor severity increases reliance on religion and catharsis. Importantly, traits like Neuroticism and Conscientiousness not only predict specific coping strategies but also moderate how individuals react to the severity and uncontrollability of a stressful event.

A meta-analysis of studies spanning nearly four decades identifies Extraversion, Conscientiousness, and Neuroticism as the primary personality drivers of physical activity. Specifically, individuals who are more outgoing and disciplined tend to exercise more, while those higher in emotional instability are less active. Interestingly, traits like Openness and Agreeableness showed no significant link to activity levels. While more research is needed on specific types of exercise, these core personality-activity relationships appear remarkably consistent across different ages, genders, and cultures.