The IQ numbers have time and time again answered every challenge raised against them and should be presumed accurate.
N.B.: Average IQ drops to 135 when only considering tests administered at an adult age—those “IQ 172 at age 7” entries shouldn’t be taken as authoritative for adult IQ.
N.B.: Average IQ drops to 135 when only considering tests administered at an adult age—those “IQ 172 at age 7” entries shouldn’t be taken as authoritative for adult IQ.