1. Age Requirement
The Society accepts membership applications from any individual who can provide evidence of a qualifying performance achieved at an age ≤ 18 years old.
2. Cognitive Performance
Membership in the IQID 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).
3. 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:
4a. 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.
4b. Subscription application fee
IQID 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 IQID Society membership tests.
The IQID Society subscription requires an one-off lifetime subscription fee (€80).
Currently, there are no annually recurring subscription fees.
4c. Subscription to Membership Upgrade application fee
If any current IQID Subscriber applies for the IQID 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).
5. Choose your involvement plan and submit your application fee
You can submit your application fee for the IQID 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 accepted before the application fee payment clearance.
For your ease, you can use the following available automatic payment options:
IQID Membership
IQ 132, sd 16 on any acceptable test
No previous society involvement
Fee: €80
IQID Subscription
IQ 132, sd 16 on not yet acceptable test
No previous society involvement
Fee: €80
IQID Upgrade
IQ 132, sd 16 on any acceptable test
For current society subscribers
Fee: €80
6. IQID Society acceptable IQ Societies admission tests
The society accepts only the following IQ Societies admissions 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








