A cartoon from Jon Wilkins at the Santa Fe Institute, no less.
Dunning-Kruger Effect by jonfwilkins
(Yeah, I know — it’s not big. Click the image, go see a bigger version at Wilkins’s site.)
Wilkins added:
Kruger, J., & Dunning, D. (1999). Unskilled and unaware of it: How difficulties in recognizing one’s own incompetence lead to inflated self-assessments. Journal of Personality and Social Psychology, 77 (6), 1121-1134 DOI: 10.1037/0022-3514.77.6.1121
Earlier and other flotsam in Millard Fillmore’s Bathtub:
- “Quote of the moment: Bertrand Russell on the Dunning-Kruger Effect, 64 years prescient”
- Dunning Kruger Effect explained, with links
Tip of the old scrub brush to Jason G. Goldman at The Thoughtful Animal.
Posted by Ed Darrell 
Millard Fillmore's Bathtub 