Do you know someone at work who claims to be expert at something but doesn’t have the experience or proof to back it up? Let’s say you work at a newspaper, and one of your colleagues brags that he is one of the paper’s best writers, has been nominated for the Pulitzer Prize many times, and has been approached by several headhunters from other newspaper and magazines. Of course, nobody likes a braggadocio. But then you read his copy and his writing, well… sucks. And then you learn that his editor is always haranguing him about missed deadlines, sloppy reporting, and so forth. Hmm… maybe he’s not the expert he claims to be. Congrats — you have just witnessed the Dunning-Kruger Effect in action. The term was coined by David Dunning and Justin Kruger, psychologists at Cornell University, in their 1999 study titled “Unskilled and Unaware of It: How Difficulties in Recognizing One’s Own Incompetence Lead to Inflated Self-Assessments.”
The Dunning-Kruger Effect is a cognitive bias where a person who is incompetent at something is unable to recognize their own incompetence. Moreover, that individual has a false inflated sense of confidence about their supposed competence. And this, of course, is what makes these individual so annoying. Dunning points out the irony of the effect: “the knowledge and intelligence that are required to be good at a task are often the same qualities needed to recognize that one is not good at that task — and if one lacks such knowledge and intelligence, one remains ignorant that one is not good at that task.” Consequently, without appropriate management and training, such a person cannot improve because they are essentially clueless about how bad they are at a particular job. In subsequent research, Dunning has found the Dunning-Kruger Effect rampant among employees of high-tech firms and medical companies, professors at universities, and among drivers.
If you have been reading the news in the last few months, you know that the Dunning-Kruger Effect is alive and well in American politics. In an op-ed for The Washington Post titled “Trump has a dangerous Disability,” political commentator George Will wrote the following about President Donald Trump’s many egregious mistakes about American history: “What is most alarming (and mortifying to the University of Pennsylvania, from which he graduated) is not that Trump has entered his eighth decade unscathed by even elementary knowledge about the nation’s history. As this column has said before, the problem isn’t that he does not know this or that, or that he does not know that he does not know this or that. Rather, the dangerous thing is that he does not know what it is to know something [emphasis added].”
Yale psychologist Gordon Pennycock recently published a paper that explores the connection between the Dunning-Kruger Effect and the concept of reflectivity (a trait that can predict whether a person is likely to be highly deluded about his or her own knowledge). Pennycock found that the Dunning-Kruger Effect impacts a person ability to reason and reflect. Subjects in the study were asked to take a test of reflectivity and then asked to evaluate themselves. Most of the subjects who were unreflective believed that they did very well since they had no idea of what it meant to be reflective and thus were too incompetent to accurately evaluate their own behavior. Now think of Trump and his statements. Alarmingly, Trump lacks any modesty about his self-professed intelligence: in many interviews and appearances he has bragged that he is very well-educated, intelligent, and possesses a very high IQ. Is he highly deluded?
This leads us to our next discussion: what happens when a person who exhibits this cognitive bias is surrounded by enablers. And, in the case of Trump, this situation is amplified because he is the President of the U.S., the leader of one of the most powerful nations in the world. One is reminded of the famous fairy tale by Hans Christian Anderson, “The Emperor’s New Clothes.” In that story the emperor, who is very vain and a slave to fashion, is swindled by two crafty tailors who fashion the finest clothes with fabric that can only be seen by smart or competent people. The tailors, of course, made nothing at all and the emperor falls for the con and proudly dons his “new clothes.” The pompous emperor then walks around nude (or perhaps wearing underwear, the story is not clear) in his palace, and all of his servants bow down and praise his very fine new clothes. Eager to show off his new clothes to all his subjects, the emperor organizes a parade to walk through the town. Again, like his servants, the public praises the emperor’s fine (but invisible) clothes — except for one little boy, who sees this ridiculous sight and provides a vital reality check: “But he isn’t wearing anything at all!” However, it is a variation of that line that endures as an idiom: “The emperor has no clothes!” One can only hope that at some point, the elected representatives in Congress and parts of the American electorate should realize that the President has no clothes.
Interestingly, long before there was any formal, scientific research, many philosophers and writers throughout history intuitively understood man’s inflated sense of intelligence or competence. Here are the different ways they expressed this universal truth:
Confucius: “Real knowledge is to know the extent of one’s ignorance.”
Socrates: “The only true wisdom is in knowing you know nothing.”
William Shakespeare: “The fool doth think he is wise, but the wise man knows himself to be a fool.” (from As You Like It)
Charles Darwin: “Ignorance more frequently begets confidence than does knowledge.”
Bertrand Russell: “One of the painful things about our time is that those who feel certainty are stupid, and those with any imagination and understanding are filled with doubt and indecision.”
Read related posts: What is the Barnum Effect?
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For further reading: The Dangerous Case of Donald Trump: 27 Psychiatrists and Mental Health Experts Assess a President by Brandy Lee