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Sensory Evaluation Techniques

ISBN-10: 0849338395
ISBN-13: 9780849338397
Edition: 4th 2006 (Revised)
List price: $121.95
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Description: From listing the steps involved in a sensory evaluation project to presenting advanced statistical methods, Sensory Evaluation Techniques, Fourth Edition covers all phases of sensory evaluation. Like its bestselling predecessors, this edition  More...

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Book details

List price: $121.95
Edition: 4th
Copyright year: 2006
Publisher: CRC Press LLC
Publication date: 12/13/2006
Binding: Hardcover
Pages: 464
Size: 7.50" wide x 10.25" long x 1.25" tall
Weight: 2.420
Language: English

From listing the steps involved in a sensory evaluation project to presenting advanced statistical methods, Sensory Evaluation Techniques, Fourth Edition covers all phases of sensory evaluation. Like its bestselling predecessors, this edition continues to detail all sensory tests currently in use, to promote the effective employment of these tests, and to describe major sensory evaluation practices. The expert authors have updated and added many areas in this informative guide. New to this edition are expanded chapters on qualitative and quantitative consumer research and the Spectrum method of descriptive sensory analysis that now contains full descriptive lexicons for numerous products, such as cheese, mayonnaise, spaghetti sauce, white bread, cookies, and toothpaste. Also new in this chapter is a set of revised flavor intensity scales for crispness, juiciness, and some common aromatics. The book now includes an overview of Thurstonian scaling that examines the decision processes employed by assessors during their evaluations of products. Another addition is a detailed discussion of data-relationship techniques, which link data from diverse sources that are collected on the same set of examples. With numerous examples and sample tests, Sensory Evaluation Techniques, Fourth Edition remains an essential resource that illustrates the development of sensory perception testing.

Introduction to Sensory Techniques
Introduction
Development of Sensory Testing
Human Subjects as Instruments
Conducting a Sensory Study
References
Sensory Attributes and the Way We Perceive Them
Introduction
Sensory Attributes
The Human Senses
Perception at Threshold and Above
References
Controls for Test Room, Products, and Panel
Introduction
Test Controls
Product Controls
Panelist Controls
References
Factors Influencing Sensory Verdicts
Introduction
Physiological Factors
Psychological Factors
Poor Physical Condition
References
Measuring Responses
Introduction
Psychophysical Theory
Classification
Grading
Ranking
Scaling
References
Overall Difference Tests: Does a Sensory Difference Exist between Samples?
Introduction
The Unified Approach to Difference and Similarity Testing
Triangle Test
Duo-Trio Test
Two-out-of-Five Test
Same/Different Test (or Simple Difference Test)
"A"-"Not A" Test
Difference-from-Control Test
Sequential Tests
References
Attribute Difference Tests: How Does Attribute X Differ between Samples?
Introduction: Paired Comparison Designs
Directional Difference Test: Comparing Two Samples
Pairwise Ranking Test: Friedman Analysis-Comparing Several Samples in All Possible Pairs
Introduction: Multisample Difference Tests-Block Designs
Simple Ranking Test: Friedman Analysis-Randomized (Complete) Block Design
Multisample Difference Test: Rating Approach-Evaluation by Analysis of Variance (ANOVA)
Multisample Difference Test: BIB Ranking Test (Balanced Incomplete Block Design)-Friedman Analysis
Multisample Difference Test: BIB Rating Test (Balanced Incomplete Block Design)-Evaluation by Analysis of Variance
References
Determining Threshold
Introduction
Definitions
Applications of Threshold Determinations
References
Selection and Training of Panel Members
Introduction
Panel Development
Selection and Training for Difference Tests
Selection and Training of Panelists for Descriptive Testing
Panel Performance and Motivation
Prescreening Questionnaires
Panel Leadership Advice
References
Descriptive Analysis Techniques
Definition
Field of Application
Components of Descriptive Analysis
Commonly Used Descriptive Test Methods
Application of Descriptive Analysis Panel Data
References
The Spectrum Descriptive Analysis Method
Designing a Descriptive Procedure
Myths about the Spectrum Descriptive Analysis Method
Terminology
Intensity
Other Options
Modified Short-Version Spectrum Descriptive Procedures for Quality Assurance, Shelf-Life Studies, etc.
Spectrum Terminology for Descriptive Analysis
Spectrum Intensity Scales for Descriptive Analysis
A Streamlined Approach to Spectrum References
Spectrum Descriptive Analysis Product Lexicons
Spectrum Descriptive Analysis Examples of Full Product Descriptions
Spectrum Descriptive Analysis Training Exercises
References
Affective Tests: Consumer Tests and In-House Panel Acceptance Tests
Purpose and Applications
The Subjects/Consumers in Affective Tests
Choice of Test Location
Affective Test Methods-Fuzzy Front End
Affective Methods: Qualitative
Affective Methods: Quantitative
Internet Research
Using Other Sensory Methods to Uncover Insights
Screeners for Consumer Studies-Focus Group, CLT, and HUT
Discussion Guide-Group or One-on-One Interviews
Questionnaires for Consumer Studies
Protocol Design for Consumer Studies
Additional Fuzzy Front End References
References
Basic Statistical Methods
Introduction
Summarizing Sensory Data
Statistical Hypothesis Testing
Thurstonian Scaling
The Statistical Design of Sensory Panel Studies
Appendix on Probability
References
Advanced Statistical Methods
Introduction
Data Relationships
Preference Mapping
The Treatment Structure of an Experimental Design
References
Guidelines for Choice of Technique
Introduction
Reference
Guidelines for Reporting Results
Introduction
Summary
Objective
Experimental
Results and Discussion
References
Statistical Tables 419
Index

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