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Odor pleasantness and intensity: A single dimension?

Odor pleasantness and intensity: A single dimension? Constructed a category, a ratio estimation, and 3 magnitude scales from observations by 8 male and 2 female undergraduates who judged the pleasantness of a geometric dilution series of n-amyl acetate. An identical set of scales was constructed from observations of the same 10 os who also judged the intensity of this series. As predicted, pleasantness varied inversely, and intensity directly, with concentration. Each exhibited short subjective ranges for the fairly typical range of stimulus concentrations used. Ratio scales resembled stable power functions with negative exponents of .144-.248 for pleasantness and positive exponents of .225-.355 for intensity. However, judgments of pleasantness and intensity were highly negatively correlated, indicating the 2 attributes are not bidimensional or separate but represent a single dimension of odor judgment. Evidence of protheticity adduced for both is consistent with this conclusion. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Experimental Psychology: General American Psychological Association

Odor pleasantness and intensity: A single dimension?

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References (7)

Publisher
American Psychological Association
Copyright
Copyright © 1971 American Psychological Association
ISSN
0096-3445
eISSN
1939-2222
DOI
10.1037/h0031549
Publisher site
See Article on Publisher Site

Abstract

Constructed a category, a ratio estimation, and 3 magnitude scales from observations by 8 male and 2 female undergraduates who judged the pleasantness of a geometric dilution series of n-amyl acetate. An identical set of scales was constructed from observations of the same 10 os who also judged the intensity of this series. As predicted, pleasantness varied inversely, and intensity directly, with concentration. Each exhibited short subjective ranges for the fairly typical range of stimulus concentrations used. Ratio scales resembled stable power functions with negative exponents of .144-.248 for pleasantness and positive exponents of .225-.355 for intensity. However, judgments of pleasantness and intensity were highly negatively correlated, indicating the 2 attributes are not bidimensional or separate but represent a single dimension of odor judgment. Evidence of protheticity adduced for both is consistent with this conclusion.

Journal

Journal of Experimental Psychology: General – American Psychological Association

Published: Oct 1, 1971

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