1. Anderson, N. H. Cross-task validation of functional measurement using judgments of total magnitude.Journal of Experimental Psychology, 1974,102, 226–233.
2. Comrey, A. L. A proposed method for absolute ratio scaling.Psychometrika, 1950,15, 317–325.
3. Engen, T. Psychophysics II. Scaling methods. In J. W. Kling & L. A. Riggs (Eds.),Woodworth & Schlosberg’s experimental psychology (3rd ed.). New York: Holt, Rinehart, & Winston, 1971.
4. Krantz, D. H. A theory of magnitude estimation and cross-modality matching.Journal of Mathematical Psychology, 1972,9, 168–199.
5. Krantz, D. H., Luce, R. D., Suppes, P., &Tversky, A. Foundations of measurement (Vol. 1):Additive andpolynomial representations. New York: Academie Press, 1971.