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The use of analysis of variance and three-way factor analysis methods for studying the quality of a sensory panel

Romano, Rosaria ; Næs, Tormod and Brockhoff, Per Bruun (2007) The use of analysis of variance and three-way factor analysis methods for studying the quality of a sensory panel. In: Cladag07 Abstracts.

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Summary

In sensory analysis a panel of assessors evaluate a collection of samples/products with
respect to a number of sensory characteristics. Assessments are collected in a threeway
data matrix crossing products, attributes and assessors. The main objective of the
experiment is to evaluate products. However, the performance of each assessor and of the
panel as a whole is of crucial importance for a successful analysis. At this aim univariate
analysis for each sensory attribute as well as multi-way analysis considering all directions
of information are usually performed. The present work studies the quality of a panel
using both methods. The basic idea is to compare results and investigate relations between
the two different analytical approaches.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:two-way anova, interaction, assessor model, parafac model, sensory analysis
Subjects: Knowledge management > Research methodology and philosophy > Specific methods > Surveys and statistics
Research affiliation: Denmark > KU - University of Copenhagen
Denmark > DARCOF III (2005-2010) > ORMILKQUAL - High quality organic milk
Deposited By: Romano, Rosaria
ID Code:11285
Deposited On:01 Oct 2007
Last Modified:12 Apr 2010 07:35
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted

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