Psychometric functions for discrimination yield direct estimates of the slope of the psychophysical scale. These estimates of slope may be used to deduce an equation for the general scale. This procedure avoids recourse to differential thresholds or to unacceptable mathematical assumptions.
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References
1.
CreelmanC. D.Human discrimination of auditory duration. J. Acoust. Soc. Amer., 1962, 34, 582–593.
2.
Creelman, Detection C. D., discrimination, and the loudness of short tones. J. Acoust-Soc. Amer., 1963, 35, 1201–1205.
3.
CreelmanC. D.Loudness and detectability scaling of bandpass-filtered short tones-J, Acoust. Soc. Amer., 1964, 36, 966–967.
4.
CreelmanC. D.Discriminability and scaling of linear extent. J. exp. Psychol., 196% 70, 192–200.