Admission Criteria
  
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Sigma V        99.99997% IQ>180  +5s 
Sigma IV       99.997%   QI>164  +4s 
Sigma III      99.87%    QI>148  +3s 
Sigma Society  97.7%     QI>132  +2s 
Assinante V    99.4%     QI>140  +2.5s 
Assinante IV   97.7%     QI>132  +2.0s 
Assinante III  93.3%     QI>124  +1.5s 
Visitante II   livre     livre 

Life member fee: 
Full member: € 50 or equivalent in dollars or pounds. 
Subscriber: € 40 or equivalent in dollars or pounds. 
Registered visitor: € 40 or equivalent in dollars or pounds. 
To fill in the following questionnaire

  
 
 
Sigma Society
    
To become a member of Sigma Society II it is required present evidence of intelligence above the 98th percentile of the world’s population. For this purpose, we have listed admission criteria related to different artistic, scientific and cultural activities.  
  
+s2
A - Testes sem limite de tempo:
1 - Sigma Test, Sigma Associations Test e Sigma Analogy Test: 132
2 - Mental Performance Test (Carlos Simões): 132
3 - Eureka Test, G-Test (Nikos Lygeros): 132
4 - Encephalist-R, MAAN ou TLAP, N-VCPE-R (Xavier Jouve): 132
5 - Test for Exceptional Intelligence (International High IQ Society): 132
6 - Mega Test (taken before April 24, 1999), Power Test, Titan Test (taken before April 24, 1999),  Ultra Test (Ronald Hoeflin): 132
7 - Logima Strictica 36 (Robert Lato): 132
8 - Test of Shock and Awe, Cooijmans Intelligence Test, Daedalus Test, Final Test, Isis Test, Nemesis Test, Space, Time & Hyperspace, Test for Genius (long form), Test to End All Tests (Paul Cooijmans): 132
9 - 9I6 (Laurent Dubois): 132
10 - W-87 (Christopher Harding): 132
11 - Hepta Teste (Alexandre Maluf): 132
12 - X-Test (Lloyd King): 132
13 - I - Mensa International Contest: 132 (raw score: 7/20)
13.1 - II - Mensa International Contest (Albert Frank & Philippe Jacqueroux): 132 (raw score: 10/30)
13.2 - International Contest of Logical Sequences (Albert Frank): 132
14 - ISI-S Association Test (Jonathan Wai)
15 - SLSE-I
(Jonathan Wai)

 
B - Supervised tests with a time limit:    
1 - Stanford-Binet IQ test: 132  
2 - Wechsler IQ test: 130 (SD 15)   
3 - Cattell Culture Fair: 148 (SD 24)  
4 - Cattell Verbal: 148 (SD 24)  
5 - California Test of Mental Maturity: 132   
6 - Raven’s Advanced Progressive Matrices Set II (40 min): raw score 28/36.  Untimed: raw score of 35/36.  
7 - GRE (verbal + quantitative): 1249.   
8 - SAT (taken before April 1, 1995): 1259  
9 - Miller Analogies Test: raw score of 66/100  

C - Other scores and achievements, academic degrees etc.:  
1 - Person unanimously considered noteworthy by the Deliberative Council of Sigma Society (it is required to submit work for evaluation).   
2 - Chess player with FIDE rating 2001, CBX rating 1900, FPX rating 2100, USCF rating 2100 (1600 for women).   
3 - Correspondence chess player with ICCF rating 2100 (1800 for women).   
4 - Doctor or doctoral student of Philosophy, Mathematics, Physics, Chemistry, Computer Science, Mechatronics or Astrophysics.   
5 - Doctor summa cum laude in any discipline.   
6 - Member of the Brazilian Academy of Literature (or equivalent societies in other countries).   
7 - Finalist (senior) in Mathematics Olympiads in any country.   
8 - Shihan (Rokku-Dan) in Go or Soroban.   
9 - BrainMaster + 2 in Think-Fast.   
10 - Member of one or several of the high-IQ societies listed below:  

    • Cerebrals Society   
    • CIVIQ Society  
    • Colloquy Society   
    • Giga Society   
    • Glia Society 
    • Grail Society  
    • HELLIQ Society  
    • High Potential Society  
    • International Society for Philosophical Enquiry (ISPE)   
    • Intertel Society   
    • IQuadrivium Society   
    • Mega Foundation   
    • Mega High IQ Girls   
    • Mega Society   
    • Mensa   
    • Minzar   
    • OLIMPIQ Society  
    • One in A Thousand Society (OATH)   
    • Pars Society  
    • Pi Society   
    • Poetic Genius Society   
    • Prometheus Society   
    • Top One Percent Society (TOPS)   
    • Triple Nine Society (TNS)   
    • Ultranet   
     
 
 
      Sigma III  cut-off  99,87% QI>148  +3s
Admission Criterion: 
balanced score 73 on Sigma Test (IQ>148) 
balanced score 0.1 on Sigma Test VI (IQ>148) 
Score 25 on Sigma Association Test (IQ>148) 
Score 25 on Sigma Analogy Test (IQ>148) 
      Sigma IV  cut-off  99,997% QI>164  +4s
Admission Criterion: 
balanced score 113 on Sigma Test (IQ>164) 
balanced score 8 on Sigma Test VI (IQ>164) 
Score 34 on Sigma Association Test (IQ>164) 
Score 34 on Sigma Analogy Test (IQ>164) 
      Sigma V  cut-off  99,999.97% QI>180  +5s
Admission Criterion: 
balanced score 152 on Sigma Test (IQ>180) 
balanced score 35 on Sigma Test VI (IQ>180) 
Score 36 on Sigma Association Test (IQ>180) 
Score 36 on Sigma Analogy Test (IQ>180) 
      Sigma VI  cut-off  99,999.9999% QI>196  +6s
Admission Criterion: 
balanced score 75 on Sigma Test VI (IQ>196) 
  
Criterion unified for admission: 
Balanced score 175 on Sigma Test (IQ>196) + perfect score in one or more of the following tests: 
  • Sigma Association Test (Petri Widsten)
  • Sigma Analogy Test (Lloyd King & Petri Widsten)
  • Teste de Desempenho Mental (Carlos Simões) 
  • Eureka Test (Nik Lygeros) 
  • Power Test (Ron Hoeflin)
  •  
    Intelligence tests created by our members: 
      
    Hindemburg Melão Jr. 
    Sigma Teste VI  
    Sigma Teste 
      
    Petri Widsten 
    Sigma Associations Test 
    Sigma Analogy Test (Lloyd King & Petri Widsten 
     
    Carlos Paula Simões 
    Teste de Desempenho Mental 
      
    Nikos Lygeros 
    G-test 
    The Eureka Test 
    The Archimedes Test  
       
    Xavier Jouve 
    Encephalist IQT1 revised 
    Vários outros testes 
      
    Membros da International High IQ Society 
    Test for Exceptional Intelligence 
    Vários outros testes 
     
    Thomas A Smith Jr. 
    Enigmus Analogies Test 
     
    Nuno Freitas 
    The Sequences Cave   
     
    Rodrigo Malizia 
    EIMA   

    Max Tiefenbacher  
    GENIUS-TEST 1 
    GENIUS-TEST 2 
    GIANT-TEST 
    BOAST-TEST 
    BOANT-TEST 
     
    Alexandre Maluf  
    Hepta Teste  
       
    Tom Gal  
    Impossible Test 
     
    Sérgio Silva 
    Numerical Test 
     
    Laurent Dubois 
    9 I 6 
    Hyper-TesT  
    Concep-T 
     
    Lloyd King  
    X-Test  
     

    If you are our member but your test doesn't consist in this list, it is enough you to supply us the test address.
     
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