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The problem is that they calculated each person’s ‘self-assessment error’ with the actual test score. This error is the difference between a person’s self asses
by bouncycastle 5y ago
The problem is that they calculated each person’s ‘self-assessment error’ with the actual test score. This error is the difference between a person’s self assessment and their test score,
This is like comparing x - y to x, and if you do this, you will get a correlation no matter what.
- andersource 5y agoNot necessarily. If for example y =~ x, comparing x - y to x would yield zero correlation, which to me is what DK is all about - people _aren't_ as good as we would expect at estimating their own skill.
- bouncycastle 5y agoThey are not saying that the hypothesis is wrong, just that the proof of the hypothesis is wrong. You can frame it however you like, but it won't work if you have x on both sides of the equation.