Known Unknowns

Known Unknowns (PDF ePub eBook)

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origin rumsfelds statement brought much fame and public attention to the concepts of known knowns known unknowns and unknown unknowns but national security and intelligence professionals have long used an analysis technique referred to as the johari windowthe idea of unknown unknowns was created in 1955 by two american psychologists joseph luft 19162014 and harrington ingham 1916