What does being agreeable have to do with over-confidence?

I new look at confidence…

Write about what?

Chicago phantom 2013 023Did you ever wonder how researchers determine levels of confidence? Typically this research is perform using a population of college students volunteer to take part in psychological tests (sometimes a requirement for a psychology course). To measure confidence, students take a general knowledge test and estimate how well they did. Most of the students are not very accurate at guessing their performance on the tests. Typically 40-50% typically are over confident, and 30 to 40 % are under confident, and the small remaining percentage accurately estimate how well they have answered the questions.

Of course the whole purpose of the test is not to find out how many over confident students exist, but to find the correlation between over or under confidence and some other trait. Sometimes populations are chosen based on this other trait, such as research on gender differences in grades for the same major. These studies  reveal…

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