Document Detail

Empirical evaluation of axioms fundamental to Stevens's ratio-scaling approach: I. Loudness production.
MedLine Citation:
PMID:  11140174     Owner:  NLM     Status:  MEDLINE    
Stevens's direct scaling methods rest on the assumption that subjects are capable of reporting or producing ratios of sensation magnitudes. Only recently, however, did an axiomatization proposed by Narens (1996) specify necessary conditions for this assumption that may be put to an empirical test. In the present investigation, Narens's central axioms of commutativity and multiplicativity were evaluated by having subjects produce loudness ratios. It turned out that the adjustments were consistent with the commutativity condition; multiplicativity (the fact that consecutive doubling and tripling of loudness should be equivalent to making the starting intensity six times as loud), however, was violated in a significant number of cases. According to Narens's (1996) axiomatization, this outcome implies that although in principle a ratio scale of loudness exists, the numbers used by subjects to describe sensation ratios may not be taken at face value.
W Ellermeier; G Faulhammer
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Perception & psychophysics     Volume:  62     ISSN:  0031-5117     ISO Abbreviation:  Percept Psychophys     Publication Date:  2000 Nov 
Date Detail:
Created Date:  2001-01-03     Completed Date:  2001-02-15     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0200445     Medline TA:  Percept Psychophys     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1505-11     Citation Subset:  IM    
Institut für Psychologie, Universität Regensburg, D-93040 Regensburg, Germany.
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MeSH Terms
Loudness Perception*
Sound Spectrography*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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