“The phenomenon wherein people who have little knowledge think that they know more than others who have much more knowledge.” Dunning-Kruger_effect
Manifestations include:
David Dunning of Cornell University and Justin Kruger of the University of Illinois, won the 2000 Ig Nobel Prize for PSYCHOLOGY for their modest report, “Unskilled and Unaware of It: How Difficulties in Recognizing One's Own Incompetence Lead to Inflated Self-Assessments.” [Published in the Journal of Personality and Social Psychology, vol. 77, no. 6, December 1999, pp. 1121-34.] http://www.apa.org/journals/features/psp7761121.pdf