One minor correction - the article creates a dichotomy where the hypothesis must be either 1) self-assesment is somewhat correlated with skill, or 2) completely

One minor correction - the article creates a dichotomy where the hypothesis must be either 1) self-assesment is somewhat correlated with skill, or 2) completely uncorrelated And this is a true dichotomy. The "autocorrelative" effect doesn't need perfect correlation, just some correlation.