OldProf
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I would say that sociopaths are everywhere. They make up around 1% of the general population but 4-12% in the C-suite. https://www.forbes.com/sites/jackmccullough/2019/12/09/the-psychopathic-ceo/?sh=788d5ba4791e
Rao's formulation is very similar to McClelland's need theory (https://en.wikipedia.org/wiki/Need_theory). A Sociopath has a high need for power (nPow), the Clueless have a high need for achievement (nAch), and the Losers (perhaps) have a high need for affiliation (nAff). These are not pure types and people can have combinations of needs.
The higher in a hierarchy the more sociopaths/nPow types you will encounter. In a piece in Harvard Business Review in 1977, McClelland noted that high achievers typically focused on individual achievement whereas high power types focused on results through influencing others (and affiliators were more concerned with being liked).
The piece distinguishes between self-aggrandizers and "institutional managers". The former influence others for their... (read more)
I agree the base rate is probably lower in the physical sciences.