Have you ever noticed that some people refuse to recognize that they are mistaken, or cannot even see where their faulty logic is flawed?
Part of the explanation for this prevalent phenomenon (described in the video) is that we need to understand some threshold amount in order to comprehend that our skills or knowledge are deficient.
Another interesting aspect of Dunning's and Kruger's research is that those individuals who are competent have a tendency to underestimate their comparative level of competence.
Justin Kruger & David Dunning.
Unskilled and unaware of It: how difficulties in recognizing one's own incompetence lead to inflated self-assessments.
Journal of personality and social psychology
1999, vol.77, no.6, pp1121-1134
©1999 by American Psychological Association, Inc.