= Type 2 receiver operating characteristic
{title2=$\bigl(P(C\ge t\mid Y=0),P(C\ge t\mid Y=1)\bigr)$}
= Type 2 ROC
{synonym}
A <receiver operating characteristic> treating high confidence as a prediction that a first-order answer was correct. Varying confidence threshold $t$ traces the false-positive and true-positive probabilities in the displayed expression. Raw discrimination can depend on first-order task performance; it is not automatically a performance-independent measure of monitoring quality.
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