Discrimination Testing in Sensory Science
A Practical Handbook
Woodhead Publishing Series in Food Science, Technology and Nutrition Series

Coordinator: Rogers Lauren

Language: English
Cover of the book Discrimination Testing in Sensory Science

Subject for Discrimination Testing in Sensory Science

Keywords

2-AFC; 3-AFC; ABX; Action standard; Aim; A-not A; Applications; Assessors; Attribute-specific tests; Balanced incomplete block; Business need; Case studies; Chance bounds; Complete block; Consumer rejection threshold (CRT)Difference from control (DFC)Discrimination testing; Consumer testing; Contextualizing results; d?Decision strategy; Descriptive testing; DFC; Difference from control; Difference test; Difference; Directional paired comparison; Discriminal distance; Discrimination testing; Discrimination tests; Discrimination; Discriminative testing; Dual pair; Dual standard; Dual-standard test; Duo-trio; Equivalence; Fatigue; Flash profiling; Food industry; Forced choice difference test; Friedman test; Guessing probability; Historical business outcomes; History; Instruction; Lady tasting tea; Limitations; m-Alternative forced choice (2-AFC; 3-AFC; 4-AFC; etc.)Multiple standards; Methodology; Momentary proportion of discriminators; Multiple paired comparison; Objective; One-out-of-four; One-out-of-three; Ordinal data analysis; Paired comparison; Power and sample size; Practical significance; Practicalities; Psycholinguistics; Quality assurance; Quality control; Questionnaire; R; Ranking test; Ranking; Rank-rating; Replicated data; Response bias; R-index; Risk; Same-different; Sample presentation; Screening; Sensometrics; Sensory analysis; Sensory difference testing; Sensory discrimination data; Sensory discrimination testing; Sensory discrimination tests; Sensory quality control; Sensory testing; sensR; Shelf life; Similarity test; Similarity testing; Similarity; Smartphones; Specified difference test; Statistical hypothesis test; Statistical power; Statistical significance; Statistics; Test method; Tetrad; Thurstonian discriminal differences; Thurstonian models; Tradition; Training; Triangle test; Triangle; Two-out-of-five; Two-standard test; Unreplicated data; Unspecified difference test; Wearable technology

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Discrimination Testing in Sensory Science: A Practical Handbook is a one-stop-shop for practical advice and guidance on the performance and analysis of discrimination testing in sensory science. The book covers all aspects of difference testing: the history and origin of different methods, the practicalities of setting up a difference test, replications, the statistics behind each test, dealing with the analysis, action standards, and the statistical analysis of results with R.

The book is written by sensory science experts from both academia and industry, and edited by an independent sensory scientist with over twenty years of experience in planning, running and analyzing discrimination tests. This is an essential text for academics in sensory and consumer science and any sensory scientist working in research and development in food, home, and personal care products, new product development, or quality control.

Part One: Introduction to Discrimination Testing 1. History of sensory discrimination testing 2. Statistics for use in discrimination testing 3. Deciding which test to use in discrimination testing 4. Applications and limitations of discrimination testing

Part Two: Methods and Analysis in Discrimination Testing: Practical Guidance 5. Paired comparison, directional difference test/2-alternative forced choice (2-AFC), Simple difference test/same different 6. A not A testing 7. Triangle testing 8. 2 out of 5 testing 9. Tetrad testing 10. Duo-trio: balanced and constant reference 11. Difference from Control 12. Ranking 13. ABX discrimination task 14. Dual standard testing 15. Analysis of the data

Part Three: Future of Sensory Discrimination Testing 16. The future of sensory discrimination testing

Appendices 17. A1: Where to find more information – ISO and ASTM standards 18. A2: Statistical tables

Lauren Rogers is a freelance sensory science consultant who has over 25 years’ experience in sensory science. She worked for Dalgety Plc/DuPont (a food ingredients company) and then moved to work for GlaxoSmithKline working on beverages and health-care products. Lauren has recruited and trained panellists for work on various foods and drinks, as well as several home and personal care products. Lauren is a Fellow of the Institute of Food Science and Technology (IFST) and an active member of the IFST’s Sensory Science Group, maintaining their Foundation, Intermediate and Advanced sensory science qualifcations. Lauren is also a Registered Sensory Scientist, a member of the Sensometrics Society, the Society of Sensory Professionals and the ASTM E-18 (Sensory) Committee.
  • Contains practical guidance on the performance and analysis of discrimination testing in sensory and consumer science for both food and non-food products
  • Includes the latest developments in difference testing, including both new methods and state-of-the-art approaches
  • Features extensive coverage of analysis with a variety of software systems
  • Provides essential insight for academics in sensory and consumer science and any sensory scientist working in research and development in food, home, and personal care products, new product development, or quality control