Very important article. One translation: You can explain one level of a stack but imagine you can explain many levels. Overconfidence in self-estimation correla

Very important article. One translation: You can explain one level of a stack but imagine you can explain many levels. Overconfidence in self-estimation correlated to limited performance-testing and limited experience with challenges. I haven't finished the article, so of course I am overestimating my understanding of it. Could some results be culture-bound? I've heard that Americans average higher at reporting "I am good at math" while having lower international scores.