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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…
Researchers collected face photos and personality surveys from about 12,400 volunteers and used a type of computer program that learns patterns, called artificial neural networks, to try to predict the Big Five personality traits from those pictures. The program could guess some traits better than chance, with the strongest matches…
Researchers showed people a set of computer-made male and female bodies and asked them to rate many personality traits. Raters tended to sort bodies along two main ideas: whether a body looked to them like a person with positive versus negative traits, and whether a body looked to them like…
