The Dunning-Kruger Effect (Syndrome)
?zgür Karabulut
Strategic Procurement Manager | RHO | Risk Hedge Officer | Panasonic Electric Works - Managing $240M Procurement Budget | TUSMOD Member | Instructor | SASAYDER Board Member | Published Article Writer
The Dunning-Kruger Effect, formulated by two psychiatrists from Cornell University in the United States, Justin Kruger and David Dunning, presents a theory that, in summary, “ignorance” has the paradoxical effect of significantly enhancing an individual's self-confidence, in contrast to genuine knowledge. First proposed in 1999, this theory earned Kruger and Dunning the Nobel Prize in Psychology in 2000.
According to this theory, individuals with limited knowledge in a particular domain, owing to their ignorance, may exhibit exaggerated self-assurance, behaving as though they are exceptionally skilled, despite having little to no fundamental knowledge or experience in that area.
In their hypothesis, the two scholars further argued that "individuals who arrive at incorrect conclusions or make poor decisions may not possess the competency required to recognize the erroneous nature of their conclusions or the misfortune of their choices."
In an experiment conducted under the leadership of Justin Kruger and David Dunning at Cornell University, students were asked, “How do you think you did on your exam?” The results were striking. Those who answered fewer than 10% of the questions correctly exhibited extraordinary levels of self-confidence. They believed that they had answered 60% of the questions correctly and, on a good day, could even reach 70%. On the other hand, students who correctly answered more than 90% of the questions were the most modest, believing that they had only answered around 70%.
The combined results were used to define the Dunning-Kruger Syndrome, which suggests that:
Through further research, physiological and psychological studies on this syndrome have identified four key traits associated with individuals suffering from the Dunning-Kruger Effect:
Additionally, research into this phenomenon has revealed some common behavioral patterns among people displaying these traits:
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Interestingly, this phenomenon aligns with a statement made by the British philosopher, mathematician, historian, and social critic Bertrand Arthur William Russell, who was awarded the Nobel Prize in Literature in 1950, nearly 49 years before the Dunning-Kruger theory emerged: "The fundamental problem in the world is that the intelligent are full of doubt, while the foolish are always certain."
Upon reading this article, I am sure some individuals within your social or professional circles will come to mind. At this point, I am reminded of a quote from Yunus Emre: "Knowledge is knowing knowledge itself. To know yourself, however, is true wisdom. If you do not know yourself, how can you truly know anything?"
In conclusion, everything should begin with rational awareness. While we may criticize others for exhibiting this syndrome, it is equally possible that we, too, may be criticized for similar reasons in some areas of our lives.
Humans are naturally curious, driven to learn and discover new things. This innate curiosity is not limited by age or experience. The idea that "I've learned enough" should never apply, as knowledge has no age limit. This is why it has been said that "there is no age for learning."
The realization that people can accept their shortcomings after receiving proper training is the very key to overcoming the Dunning-Kruger Effect. Ultimately, it is a guiding principle for many aspects of our lives. Never forget: the day we say "I’ve made it" is the day we stop growing.
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