söndag 20 december 2009

The Dunning-Kruger effect

Man lär så länge man lever ...

The Dunning–Kruger effect is a cognitive bias in which "people reach erroneous conclusions and make unfortunate choices but their incompetence robs them of themetacognitive ability to realize it".[1] The unskilled therefore suffer from illusory superiority, rating their own ability as above average, much higher than actuality; by contrast the highly skilled underrate their abilities, suffering from illusory inferiority. This leads to a perverse result where less competent people will rate their own ability higher than more competent people. It also explains why actual competence may weaken self-confidence because competent individuals falsely assume that others have an equivalent understanding. "Thus, the miscalibration of the incompetent stems from an error about the self, whereas the miscalibration of the highly competent stems from an error about others."[1]

"The trouble with the world is that the stupid are cocksure and the intelligent are full of doubt." - Bertrand Russell[2]


Detta är tyvärr en realitet som studerats experimentellt och förklarar en hel del problem.

Möjligheten att komma tillrätta med detta är steg 4 nedan


  • Incompetent individuals tend to overestimate their own level of skill.
  • Incompetent individuals fail to recognize genuine skill in others.
  • Incompetent individuals fail to recognize the extremity of their inadequacy.
  • If they can be trained to substantially improve their own skill level, these individuals can recognize and acknowledge their own previous lack of skill.




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