In a lesson for TED-Ed, David Dunning explains the Dunning-Kruger Effect, a cognitive bias in which people with lesser abilities tend to rate themselves as more proficient than they are.
Interestingly, this effect not only applies to those with lower abilities thinking they are better but also to experts who think they’re not exceptional. That is, the least & most skilled groups are both deficient in their ability to evaluate their skills.
Dunning also wrote a longer piece for Pacific Standard on the phenomenon.
In 1999, in the Journal of Personality and Social Psychology, my then graduate student Justin Kruger and I published a paper that documented how, in many areas of life, incompetent people do not recognize — scratch that, cannot recognize — just how incompetent they are, a phenomenon that has come to be known as the Dunning-Kruger effect. Logic itself almost demands this lack of self-insight: For poor performers to recognize their ineptitude would require them to possess the very expertise they lack. To know how skilled or unskilled you are at using the rules of grammar, for instance, you must have a good working knowledge of those rules, an impossibility among the incompetent. Poor performers — and we are all poor performers at some things — fail to see the flaws in their thinking or the answers they lack.
What’s curious is that, in many cases, incompetence does not leave people disoriented, perplexed, or cautious. Instead, the incompetent are often blessed with an inappropriate confidence, buoyed by something that feels to them like knowledge.
Confidence feels like knowledge. I feel like that simple statement explains so much about the world.
See also Errol Morris’ series for the NY Times about humanity’s unknown unknowns.
In closing, I’ll just note that thinking you’re impervious to the Dunning-Kruger Effect is itself an example of the Dunning-Kruger Effect in action. (via open culture)
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