The International Society for the Study of Individual Differences (ISSID) 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. The society investigates the major dimensions of individual differences in the context of experimental, physiological, pharmacological, clinical, medical, genetical, statistical, and social psychology. Differential psychology is concerned with the study of individual differences in humans. ... IQ tests are designed to give approximately this Gaussian distribution. ...

ISSID holds Personality and Individual Differences (PAID) as its official scientific journal[1] and hosts a conference on individual differences every other year. The current president is William Revelle, professor of psychology at Northwestern University. Personality and Individual Differences (PAID) is a scientific journal published bi-monthly by Elsevier and founded in 1980. ... Northwestern University is a prestigious private, coeducational, non-sectarian research university, located in Evanston and Chicago, Illinois. ...

External links

• ISSID official site.