Obviously I can only nutshell it here for you. Their research delved into self-estimates of expertise compared with objective measurement of expertise. To an ex

Obviously I can only nutshell it here for you. Their research delved into self-estimates of expertise compared with objective measurement of expertise. To an extent, they proved the old lamentation that fools are confident and wise men are cautious. I recommend starting here: https://en.wikipedia.org/wiki/Dunning%E2%80%93Kruger_effect https://en.wikipedia.org/wiki/Dunning%E2%80%93Kruger_effect