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 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 ...

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 li...

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...

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 a...

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 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 pe...

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 ...

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 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. Effect...

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, ...