In the article, a real study was used as a counterexample to the DK effect. Part of the results was a correlation that people who were "less capable" were also

In the article, a real study was used as a counterexample to the DK effect. Part of the results was a correlation that people who were "less capable" were also worse at predicting their own skill, and people who were "more capable" were better at predicting their own skill. While similar to the DK effect, this is different, as the DK effect states that "less capable" individuals specifically _overestimate_ their skill, as opposed to simply being wrong (both over and under -estimating). With relation to some people "seeming to think they know more than they actually know", this is likely confirmation bias in the sense that there are an equal number of people who don't know much, and know that they don't know much.