Critical evaluation of assessor difference correction approaches in sensory analysis
Food Quality and Preference(2023)
摘要
•Correcting for assessor differences can improve estimation of product effects.•ANOVA F-test for some correction methods produces too optimistic p-values.•Permutation approach enables controlling the type I error (false positive) rate.•Mixed assessor model (MAM) is most powerful in detecting product differences.•Unequal reproducibility between assessors affects MAM product effect significance.
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关键词
Sensory analysis,Permutation,Product effect significance,Scaling effect,Mixed ANOVA,Mixed assessor model
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