‘Too stupid to see how stupid they are’ – The ‘Dunning-Kruger effect’ is used all over the place to rub in people’s ignorance. Does the effect exist – and if it does, how big is it really?
The Dunning-Kruger effect is said to exist among chess players. This is however based on a single study on a small one-day open Swiss tournament. And did the authors of that study fully grasp the effect of that particular pairing system?