Document Detail


Limiting response alternatives in time-intensity scaling: an examination of the halo-dumping effect.
MedLine Citation:
PMID:  7735838     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Time-related measurements pose some challenges to psychophysics and to applied sensory testing methods including control of psychological biases which have been found in single-point scaling. This research examined enhancement of ratings when response alternatives were limited in time-intensity scaling tasks using repeated category ratings. Panelists rated a pseudo-beverage containing sweetener and flavor and one with sweetener only over a 90-s period. The aromatic flavor caused an increase in sweetness intensity and especially so when the panelists were limited to sweetness responses only. The odor-induced enhancement of sweetness was smaller when panelists were given both flavor and sweetness response options than when the panelists were given only a sweetness scale. Prior use of both scales in a previous experimental session did not lessen the halo-dumping enhancement effect. In one study, sweetness ratings of sucrose alone were depressed when the additional scale for flavoring was provided, perhaps due to inappropriate partitioning of responses.
Authors:
C C Clark; H T Lawless
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Publication Detail:
Type:  Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Chemical senses     Volume:  19     ISSN:  0379-864X     ISO Abbreviation:  Chem. Senses     Publication Date:  1994 Dec 
Date Detail:
Created Date:  1995-06-02     Completed Date:  1995-06-02     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8217190     Medline TA:  Chem Senses     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  583-94     Citation Subset:  IM    
Affiliation:
Department of Food Science, New York State College of Agriculture and Life Sciences, Cornell University, Ithaca 14853, USA.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Aged
Aspartame / pharmacology
Benzaldehydes / pharmacology
Cues
Female
Flavoring Agents / pharmacology
Humans
Male
Middle Aged
Psychophysics*
Smell / drug effects*
Sucrose / pharmacology
Taste / drug effects*
Time Factors
Chemical
Reg. No./Substance:
0/Benzaldehydes; 0/Flavoring Agents; 121-33-5/vanillin; 22839-47-0/Aspartame; 57-50-1/Sucrose

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


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