Research Feed

A curated collection of research papers, articles, and related news and media exploring the Big Five personality traits.

NEWS
Extraversion Openness Agreeableness Conscientiousness Neuroticism
How much of our personalities are determined at birth?
Laurie Clarke · BBC · May 2026

This BBC article explores how genes and environment interact to shape personality. Twin studies suggest 40–50% of Big Five personality differences are genetic, but genome-wide association studies find only 9–18% heritability—a gap researchers are working to explain. Environmental influences are e...

NEWS
Extraversion Openness Agreeableness Conscientiousness Neuroticism
How I changed my personality in six weeks
Laurie Clarke · BBC · January 2026

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....