1. Cognitive Performance
Membership in the GRIQ Society can be established based on a performance at or above the second standard deviation above the statistical mean of the general, unselected population, i. e.:
IQ 130 (s.d. 15, Wechsler scale), or
IQ 132 (s.d. 16, Stanford-Binet scale), or
IQ 148 (s.d. 24, Cattell scale).
2. Submit proof of performance
Individuals willing to establish full membership are advised to send proof of at least one qualifying score on any of the accepted tests accompanied by the contact information of the psychologist, who administered the test, to the e-mail address:
3a. Membership application fee
According to our membership policy, the society requires only the payment of the one-off lifetime membership fee (€80).
Currently, there are no annually recurring membership fees.
3b. Subscription application fee
GRIQ Society has established a subscription option for all interested individuals who have succeeded the required cognitive performance at the levels mentioned above, however not in any of the acceptable for the GRIQ Society membership tests.
The GRIQ Society subscription requires an one-off lifetime subscription fee (€80).
Currently, there are no annually recurring subscription fees.
3c. Subscription to Membership Upgrade application fee
If any current GRIQ Subscriber applies for the GRIQ membership based on a required performance on any acceptable for membership test, they should submit an one-off lifetime subscription to membership upgrade fee (€80).
4. Choose your involvement plan and send your application fee
You can place your order for the GRIQ society membership, subscription and subscription to membership upgrade using either your PayPal account balance or your debit, credit cards even without a PayPal account.
For the safety of your transactions, you will be redirected to the secure environment of PayPal, where all payments are processed. No membership application will be further processed before the application fee payment clearance.
For your ease, you can use the following available automatic payment options:
GRIQ Membership
IQ 132, sd 16 on any acceptable test
No previous society involvement
Fee: €80
GRIQ Subscription
IQ 132, sd 16 on not acceptable test
No previous society involvement
Fee: €80
GRIQ Upgrade
IQ 132, sd 16 on any acceptable test
For current society subscribers
Fee: €80
5. GRIQ Society acceptable IQ societies admission tests
The society accepts only the following IQ tests mentioned below. The results are analyzed by psychometricians with experience and knowledge about the latest research in high IQ testing.
Mensa Admission Test, Mensa Society
Mysterium Entrance Exam Part A (Pythagoras Test of Numerical Insight)
Mysterium Entrance Examination 4, Greg A. Grove
ISPE Self-Administered Test, International Society for Philosophical Enquiries (ISPE)
Sigma test, Hindemburg Melão Jr
Sigma test VI, Hindemburg Melão Jr
Sigma Analogy Test, Lloyd King, Petri Widsten
Sigma Associations Test, Petri Widsten









