Qualifications

USK Membership is free of charge and this policy will NEVER change; Before understanding USK membership qualifications, please refer to 4. Note

ESK Society

Extreme Sigma Korea (ESK) Society

≥ IQ 175 (S.D. 15, Wechsler Scale)
IQ 180 (S.D. 16, Stanford-Binet Scale)
≥ IQ 220 (S.D. 24, Cattell Scale)
≥ IQ 220 (S.D. 24, Mensa Korea Scale)

*Requirement of Two Evidence (1.1. & 1.2.)

1.1. Evidence of one standardized IQ test score officially accredited by a professional psychologist (Full documents) at or above IQ Four SD, 1st attempt. (Please see 4. Note.)

1.2. Evidence of one score from a standardized IQ test at or above IQ 180 sd16 at 1st attempt; Evidence one score of  indepentent high range intelligence test (created by whom having PhD or its equivalent), at or above IQ 180 sd16.

1.3. Or otherwise, Evidence Profoundly High Profile at least from one field in real world. (e.g. the best education attainment; the most reputable research achievement in each academic field; winner in a major intellectual championship)

1.4. Or otherwise, having one of full memberships from Mega Society, Omega Society or Olympiq Society would qualify to join ESK, only if having one standardized IQ test score of 4 sigma (full scale) or a doctor degree accredited by a top-class university.

(A full member of Mega International Society automatically qualify for the full membership of Extreme Sigma Korea, ESK Society.)

1.5. For any inquiry of ESK membership, please fill out, only via the Contact form.


FSK Society

Four Sigma Korea (FSK) Society

≥ IQ 160 (S.D. 15, Wechsler Scale)
≥ IQ 164 (S.D. 16, Stanford-Binet Scale)
≥ IQ 196 (S.D. 24, Cattell Scale)
≥ IQ 196 (S.D. 24, Mensa Korea Scale)

*Requirement of One Evidence (2.1.)

2.1. Evidence of one standardized IQ test score officially accredited by a professional psychologist (Full documents) as the full scale at or above IQ 164 sd16 at 1st attempt. (Please see 4. Note.)

2.2 Or otherwise, having one of full memberships from Ultranet Society, Epimetheus Society would qualify to join FSK.

2.4. Or otherwise, having a full membersip of TSK with a doctor degree, accredited by a top-class university would qualify to join FSK.

2.5. For any inquiry of FSK membership, please fill out, only via the Contact form.


PSX_20190629_025310

Three Sigma Korea (TSK) Society

≥ IQ 145 (S.D. 15, Wechsler Scale)
≥ IQ 148 (S.D. 16, Stanford-Binet Scale)
≥ IQ 172 (S.D. 24, Cattell Scale)
≥ IQ 172 (S.D. 24, Mensa Korea Scale)

*Requirement of One Evidence

3.1. Evidence of one standardized IQ test score signed by a professional psychologist (Full documents) at or above IQ 148 sd16 at 1st attempt. (Please see 4. Note.)

3.2. Or otherwise, having one of full memberships from Triple Nine Society, or One in a Thousand Society(OATHS) would qualify to join TSK.

3.3. For any inquiry of TSK membership, please fill out, only via the Contact form.


4. Note

4.1. There’s few honorary and special members in the United Sigma Korea. Theses memberships are NOT accepted from any application.

4.2. We do NOT accept any standardized IQ test score from Cattell and Stanford-Binet(old), for ESK and FSK membership. 

4.3. We do NOT accept any standardized IQ test score unless there are signaturecontact information and Full documents.

4.4. All of test scores submitted should be contacted with each registered psychologist or test author, clearly. 

4.5. Any IQ score should be recorded in the official psychological association in each country. 

4.6. If suspected, the score provided could be confirmed via each country official psychological association. *Each applicant should provide the evidence through*

4.7. All of documents should be written in English language. (except for South Korean.)

4.8. Any applicant (even from South Korea) should have language fluency in English.