Any of the methods of PDD scoring that entail the assignment of ranks to response intensities within channel. Rank order analysis methods for the CQT include the Horizontal Scoring System and the Rank Order Scoring System. First published report for ranking of responses was for the Guilty Knowledge Test in the 1950s. See: Gordon & Cochetti (1987); Honts & Driscoll; (1987); Krapohl, Dutton & Ryan (2001); Lykken (1959); Ohnishi, Matsuno, Arasuna & Suzuki (1976).