Caveat on Use of the Parameter<i>d'</i>for Evaluation of Observer Performance

David J. Goodenough, Charles E. Metz, Lee B. Lusted

Radiology · 1973 · 18 citations · 0 references

Concepts

Abstract

The use of the parameter d' to measure receiver operating characteristic (ROC) curves is discussed. Experimentally obtained ROC curves illustrate the false conclusions that might be reached by assigning a d' value to a curve when only a single point of the curve is known.