Reducing Error: How to Deal with the Dunning-Kruger Effect

How good are you at dancing or singing? Without any sort of objective measure, a common method to try and determine our ability is by using peer comparison. We watch those around us participating in similar activities and estimate our relative performance. The only problem, as discovered by research psychologists David Dunning and Justin Kruger, is that when we use peer comparison to judge our own performance we are most often wrong, and sometimes by a significant margin.

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