chapter  8
20 Pages

Enhancing and Evaluating Diagnostic Accuracy

We develop two themes. The first is that diagnostic accuracy can be enhanced by decision aids. Our experimental finding that the enhancement was greater for cases more difficult to diagnose led to the second theme: an evaluation of the comparative accuracies of two diagnostic approaches, such as two alternative imaging techniques, may lead to various and contradictory conclusions depend­ ing on the spectrum of difficulty in the set of test cases.