≥ 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)
1. Requirement: 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.)
3. Alternative: Having a full membership of TSA with a doctoral degree, accredited by a top-class university would qualify to join FSA.