Zeer bijzonder juist, Unskilled and Unaware of It.
The more incompetent someone is in a particular area, the less qualified that person is to assess anyone’s skill in that space, including their own. When one fails to recognize that he or she has performed poorly, the individual is left assuming that they have performed well. As a result, the incompetent will tend to grossly overestimate their skills and abilities.
Samen met On the Psychology of Military Incompetence te lezen, en al uw vragen over slechte managers en idioten op de werkvloer of in de andere nabije omgeving zijn beantwoord. 
The British philosopher Bertrand Russell once wrote that “the trouble with the world is that the stupid are cocksure and the intelligent are full of doubt.” This is true whether one interprets “stupid” as foolish (short on smarts) or as ignorant (short on information). Deliberately or otherwise, his sentiment echoes that of Charles Darwin, who over one hundred years ago pointed out that “ignorance more frequently begets confidence than does knowledge.”
Tee hee.
