On the protheticity of olfactory pleasantness and intensity

Perceptual and Motor Skills
R L Doty

Abstract

In Exp. 1, the "protheticity" of the pleasantness of a diverse set of relatively isointensive odorants was estimated using exponents from power functions fitted by an interative least squares procedure between scale values established by (a) magnitude estimation and (b) category rating and rank ordering. In Exp. 2, this procedure was applied to intensity data derived from quarter-log-step volume dilution series of two hedonically disparate odorants, furfural and methyl salicylate. The goodness of fit of the power functions was somewhat better for the intensity than for the pleasantness data. The pleasantness dimension of the diverse stimuli was slightly prothetic (respective category scaling and rank order/magnitude estimation exponents = 0.60 and 0.63). The intensity dimension of furfural was considerably more prothetic than that of methyl salicylate (respective category/magnitude estimation exponents = 0.20 and 0.68; respective rank order/magnitude exponents = 0.21 and 0.69). These data suggest that the degree of olfactory protheticity depends upon the stimuli as well as the attributes chosen for investigation and support the view that Stevens' metathetic/prothetic dichotomy has little utility in classifying the scaling attri...Continue Reading

References

Jul 12, 1974·Science·S S Schiffman
Jan 1, 1967·Contributions to Sensory Physiology·B S Rosner, W R Goff
Oct 1, 1971·Journal of Experimental Psychology·K E Henion
May 1, 1957·Psychological Review·S S STEVENS
Dec 1, 1957·Journal of Experimental Psychology·S S STEVENS, E H GALANTER
Nov 1, 1964·Journal of Experimental Psychology·T ENGEN, D H MCBURNEY

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Citations

Oct 13, 2007·International Archives of Occupational and Environmental Health·Kirsten SuckerGerhard Winneke

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