Which (A, B, or C) represents the best screening test? Why? What does curve C tell about the screening test?

Question

Quizplus · Accepted Answer

The Answer is Curve A represents the best screening test because it has the highest sensitivity and specificity. Curve C has an area under the curve of 0.5. This implies that the probability of a correct diagnosis is like flipping a coin. Thus, the screening test of curve C is not useful.

Which (A, B, or C) Represents the Best Screening Test