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METHODOLOGICAL NOTE ON SCALES OF GUSTATORY INTENSITY
Author(s) -
Ekman Gösta
Publication year - 1961
Publication title -
scandinavian journal of psychology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.743
H-Index - 72
eISSN - 1467-9450
pISSN - 0036-5564
DOI - 10.1111/j.1467-9450.1961.tb01239.x
Subject(s) - power function , stimulus (psychology) , intensity (physics) , psychology , magnitude (astronomy) , statistics , sensation , scaling , exponent , mathematics , mathematical analysis , physics , cognitive psychology , optics , geometry , linguistics , philosophy , astronomy
E kman , G. Methodological note on scales of gustatory intensity. Scand. J. Psychol ., 1961, 2, 185–100.—The subjective salt intensity of seven concentrations of sodium chloride in water was measured by the method of ratio estimation and by three variants of the method of magnitude estimation. The four scales thus constructed were not in agreement. The magnitude scales varied systematically with the stimulus used as standard. The average magnitude scale was in good agreement with the scale constructed by the method of ratio estimation. A combined scale was constructed from all the data. This scale is a power function of stimulus concentration. The exponent of the function is 1.59. The function includes an additive constant, which may indicate either the lack of an absolute zero point of the scale, or the presence of a basic sensation without external stimulation.