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PSNet: Patient Safety Network
Journal Article

Am I right when I am sure? Data consistency influences the relationship between diagnostic accuracy and certainty.

Cavalcanti RB, Sibbald M. Academic medicine : journal of the Association of American Medical Colleges. 2014;89:107-13.

According to this study, the relationship between resident physicians' diagnostic accuracy and degree of certainty is dependent on context. When trainees were given inconsistent clinical information, there was no correlation between how accurate their diagnosis was and how certain they felt. The authors conclude that diagnostic accuracy and certainty are poor proxies for each other.