In this addendum, we present a measure of discrimination ability that is free of the downwardly biasing assumptions of previous discrimination measures. We discuss the magnitude of the bias in the previous measures, the reliability of all of the measures, intercorrelations among them, and their...

Researchers often test consumers' abilities to discriminate between two product formulations. Such tests are used in new product development, quality control, and competitive assessment. This paper investigates three paired comparison taste tests, each requiring a different judgment. These are:...