The only qualification criterion to enter the society is a performance at or above the third standard deviation above the statistical mean of the general, unselected population, i. e.:
IQ 145 (s.d. 15, Wechsler scale), or
IQ 148 (s.d. 16, Stanford-Binet scale), or
IQ 172 (s.d. 24, Cattell scale).
The society accepts only candidates having performed on standardized IQ tests mentioned below. The results are analyzed by psychometricians with experience and knowledge about the latest researches in high IQ testing. Currently, the acceptable for admissions IQ tests are:
Cattell Culture Fair III (A+B), Raymond Cattell
WAIS – R, WAIS-III, David Wechsler
Stanford-Binet V and VI, Alfred Binet
Bonnardel BLS4-2T, R. Bonnardel
Test For Genius, Paul Cooijmans
Cooijmans Intelligence Test – Form 3E, Paul Cooijmans
Individuals willing to establish full membership are advised to send proof of one or more qualifying scores on any of the accepted tests accompanied by the contact information of the psychologist, who administered the test, to the following e-mail address:
