> But there's no getting around the fact that the bottom quartile are overestimating themselves. It's because higher competence goes along with more accurate s

> But there's no getting around the fact that the bottom quartile are overestimating themselves. It's because higher competence goes along with more accurate self-assessment but not less bias. So the high performers underestimate with less magnitude than the low performers overestimate, but they both under and over estimate themselves with the same frequency.