Personality and Individual Differences (PAID) is a scientific journal

Scientific journal

In academic publishing, a scientific journal is a periodical publication intended to further the progress of science, usually by reporting new research. There are thousands of scientific journals in publication, and many more have been published at various points in the past...

 published bi-monthly by Elsevier

Elsevier

Elsevier is a publishing company which publishes medical and scientific literature. It is a part of the Reed Elsevier group. Based in Amsterdam, the company has operations in the United Kingdom, USA and elsewhere....

 and founded in 1980. PAID is the official journal of the International Society for the Study of Individual Differences

International Society for the Study of Individual Differences

The International Society for the Study of Individual Differences is a scientific society founded in 1983 that fosters research on the measurement, structure, dynamics and biological bases of individual differences in temperament, intelligence, attitudes, and abilities...

 (ISSID).http://issid.org/issid.files/ISSmem/newslet6.html
Editor-in-Chiefs are P. A. Vernon and S. B. G. Eysenck.
The founding editor was Hans Jürgen Eysenck. Its 2009 impact factor

Impact factor

The impact factor, often abbreviated IF, is a measure reflecting the average number of citations to articles published in science and social science journals. It is frequently used as a proxy for the relative importance of a journal within its field, with journals with higher impact factors deemed...

 is 1.878, ranking it 12th in the category "social psychology".
The journal has, e.g., published description of the revised version of Eysenck Personality Questionnaire

Eysenck Personality Questionnaire

In psychology, Eysenck Personality Questionnaire is a questionnaire to assess the personality traits of a person.It was devised by the psychologists Hans Jürgen Eysenck and his wife Sybil B. G. Eysenck....

—the article
being one of the most cited of the journal.
A sex and intelligence

Sex and intelligence

Research on sex and psychology investigates cognitive and behavioral differences between men and women. This research employs experimental tests of cognition, which take a variety of forms. Tests focus on possible differences in areas such as IQ, spatial reasoning, and emotion.Most IQ tests are...

 article by Helmuth Nyborg

Helmuth Nyborg

Helmuth Sørensen Nyborg is a former professor of developmental psychology at Aarhus University, Denmark. He is one of the most cited Danish psychologists. His main research topic is the connection between hormones and intelligence. Among other things, he has worked on increasing the intelligence...

from 2005
led to strong reaction in the Danish media and a subsequent investigation of his study.
Nyborg was suspended, an investigation was setup, but later the suspension was revoked.