Research Feed

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 refac...

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 sign...

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....

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. Extraver...

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 ...

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 aff...

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. Th...

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 musica...

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 ...

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 ch...

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 ...

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, l...

This meta-analysis demonstrates that maternal personality and psychopathology are deeply interconnected determinants of parenting. Mothers with high Agreeableness, Extraversion, and Conscientiousness, alongside low Neuroticism and psychopathology, consistently exhibited more adaptive warmth and c...

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...

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, ...

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 insta...

The Big Five personality factors serve as powerful heuristics for predicting outcomes across multiple life domains. At the individual level, traits are linked to health, happiness, and identity. Interpersonally, they shape the quality of family and romantic relationships. Finally, at the institut...

This study questions whether the Five-Factor Model fully captures traits relevant to criminal behavior. It finds that only agreeableness and conscientiousness consistently predict offending, while additional criminogenic traits (such as deception and self-deception) add substantial explanatory po...

This research explores the 'personalization' of modern politics, where the individual traits of both voters and candidates drive political choice. The authors propose a congruency model, finding that voters prefer candidates whose personalities align with party ideology or mirror their own traits...

This meta-analysis explains why Conscientiousness is such a powerful predictor of a long life. By reviewing nearly 200 studies, researchers found that highly conscientious people consistently avoid risky behaviors (such as tobacco use, excessive drinking, and reckless driving) while actively enga...