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.
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 review examines empathy in people with narcissistic personality disorder (NPD). It says empathy is not simply missing in NPD, but is complex and varies by situation and motivation. The paper notes empathy has two parts—feeling with others (emotional empathy) and understanding others' thoughts and feelings (cognitive empathy)—and finds emotional…
Researchers followed 173 people for 3 weeks and had them record their most intense daily anger episode (2,342 episodes total). They grouped the open-ended anger triggers into five categories and found that anger caused by other people or by an unknown source tended to be stronger and felt less controlled.…
This study tested 60 healthy adults (30 women, 30 men) to see how two types of narcissism — vulnerable and grandiose — relate to emotion regulation. Researchers used questionnaires and a lab task that asked people to either feel naturally or use reappraisal (change how they think) while viewing sad…
Researchers tested 269 people (about 76% female, median age 21) using a virtual ball-tossing game that simulated social rejection. They measured two kinds of pathological narcissism (vulnerable and grandiose), adult attachment style, and emotional reactivity before and after the rejection. People higher in vulnerable narcissism tended to feel more insecure…
Emotional clarity means knowing and naming your own feelings. The paper reviews past research and argues that momentary or "state" emotional clarity — how clearly you understand your feelings in the moment — likely shows a person’s fluid emotional intelligence better than traditional tests or trait self-reports. The authors say…
This review looked at quantitative studies from 2015–2024 about parental narcissistic personality disorder (NPD) and narcissistic traits. Eight empirical studies were included. Overall, parental narcissism was linked with poorer parent-child relationships and worse psychological outcomes for children, but results varied by the type of narcissism and the parenting context. Hostile…
