Labeled scales (e.g., category, Likert, VAS) and invalid across-group comparisons: what we have learned from genetic variation in taste

Author: Bartoshuk L.M.   Duffy V.B.   Fast K.   Green B.G.   Prutkin J.   Snyder D.J.  

Publisher: Elsevier

ISSN: 0950-3293

Source: Food Quality and Preference, Vol.14, Iss.2, 2003-03, pp. : 125-138

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Abstract