Each month our editorial team sifts through hundreds of papers and curates notable findings—for practitioners and informed readers who want to stay current with the evidence. Subscribe to the monthly Research Digest for expert analysis and concise summaries of key papers.
This 1992 review describes the five-factor model, which groups personality into five basic traits: Extraversion, Agreeableness, Conscientiousness, Neuroticism, and Openness to Experience. The authors summarize research using natural-language adjectives and personality questionnaires that supports the model’s broad coverage of personality and its usefulness across different observers and cultures. They review…
The Eysenck Personality Questionnaire (EPQ) is a self-report test made by Hans J. Eysenck and Sybil B. G. Eysenck to measure four personality scales: Extraversion (E), Neuroticism (N), Psychoticism (P), and a Lie or social-desirability scale (L). It is based on Eysenck's theory that temperament has biological and genetic roots,…
This article updates a theory about how personality traits form. The author reviews their 2008 model and then expands it by bringing in ideas from evolutionary biology. The revised model adds two systems called “pliable” and “elastic” to help explain how traits change or stay the same. The paper is…
