Summary of "The Inappropriately Excluded"

The late Michael Wells Ferguson was the author of the article "The Inappropriately Excluded", which I consider a classic and a must-read. Many highly intelligent people dream of reaching high positions in society, such as becoming university professors or winning the Nobel Prize. Ferguson shows that professors, doctors, judges, etc. are on average not that smart and that people with far above average intelligence usually do not get into these positions. The reason is not that these people have shortcomings but that highly intelligent people are systematically discriminated against.

<<In the popular culture, IQ has become a point of contention. Many people credulously accept that the eminent have very high IQs and that people of ordinary accomplishment have ordinary IQs. For example, it was widely reported that Garry Kasparov has an IQ of 190. In truth, his IQ is verified to be 135.>>

<<Over an extensive range of studies and with remarkable consistency, from Physicians to Professors to CEOs, the mean IQ of intellectually elite professions is about 125 and the standard deviationn is about 6.5.>>

<<This means that 95% of people in intellectually elite professions have IQs between 112 and 138 99.98% have IQs between 99 and 151.>>
 
With an IQ of 140 you already belong to the top 2.5% of people working in elite professions!
 
<<By dividing the distribution function of the elite professions' IQ by that of the general population, we can calculate the relative probability that a person of any given IQ will enter and remain in an intellectually elite profession. We find that the probability increases to about 133 and then begins to fall. By 140 it has fallen by about 1/3 and by 150 it has fallen by about 97%. In other words, for some reason, the 140s are really tough on one's prospects for joining an intellectually elite profession. It seems that people with IQs over 140 are being systematically, and likely inappropriately, excluded.>>
 
<<What this suggests is that while an IQ over 140 will decrease the probability of entrance into an elite profession, if the impediment can be overcome, performance within the elite is likely to be superior.>>
 
 
Claus D. Volko

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