First Published in 1990. Routledge is an imprint of Taylor & Francis, an informa company.

Contents: G. Stevens, Preface: A Small Oral History. G.A. Gescheider, S.J. Bolanowski, Jr., Introduction to Conference on Ratio Scaling of Psychological Magnitudes. R.D. Luce, What Is a Ratio in Ratio Scaling. J.J. Zwislocki, Natural Measurement. L.E. Marks, The Dynamics of Ratio Scaling. J.C. Stevens, Magnitude Matching: Application to Special Populations. M. Guirao, A Single Scale Based on Ratio and Partition Estimates. L.M. Ward, Associative Measurement of Psychological Magnitude. L.E. Krueger, Toward a Unified Psychophysical Law and Beyond. B.J. Cowart, Derivation of an Index of Discrimination From Magnitude Estimation Ratings. E. Galanter, T.E. Wiegand, Multiple Moduli and Payoff Functions in Psychophysical Scaling. M.B. Berglund, Quality Assurance in Environmental Psychophysics. R.B. Barlow, Jr., Brightness Sensation and the Neural Coding of Light Intensity. D. Algom, W.S. Cain, Chemosensory Representation in Perception and Memory. B. Scharf, Loudness Adaptation Measured by the Method of Successive Magnitude Estimation. R.P. Hellman, Loudness Measurement by Magnitude Scaling: Implications for Intensity Coding. S. Namba, S. Kuwano, The Loudness of Non-steady State Sounds: Is a Ratio Scale Applicable? L.M. Bartoshuk, Ratio Scaling, Taste Genetics, and Taste Pathologies. R.T. Verrillo, Measurement of Vibrotactile Sensation Magnitude. S. Bolanowski, Jr., J.J. Zwislocki, G.A. Gescheider, Intersensory Generality of Psychological Units. G.A. Gescheider, S.J. Bolanowski, Jr., Final Comments on Ratio Scaling of Psychological Magnitudes.