But Pat's poor coding skills aren't his most annoying attribute. What frustrates his manager the most is that Pat is absolutely convinced that he's a great programmer. Last month was Pat's performance review, and after receiving a low score from his manager, Pat incredulously argued:
"I'm one of the best programmers in this department! What kind of rating scale are you even using if someone with my talent can get a low score? There's no way that your performance review form is accurately assessing my abilities. Or maybe you're just assessing a bunch of stuff that has nothing to do with actually being a programmer!"If you've ever dealt with someone whose performance stinks, and they're not only clueless that their performance stinks but they're confident that their performance is good, you likely saw the Dunning-Kruger Effect in action.













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