GB/T 41408-2022 English PDF

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GB/T 41408-2022: Sensory analysis - Methodology - General guidance for conducting hedonic tests with consumers in a controlled area
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Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 41408-2022	759	Add to Cart	6 days	Sensory analysis - Methodology - General guidance for conducting hedonic tests with consumers in a controlled area	Valid

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Basic data

Standard ID: GB/T 41408-2022 (GB/T41408-2022)
Description (Translated English): Sensory analysis - Methodology - General guidance for conducting hedonic tests with consumers in a controlled area
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: X04
Word Count Estimation: 39,396
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 41408-2022: Sensory analysis - Methodology - General guidance for conducting hedonic tests with consumers in a controlled area

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Sensory analysis -- Methodology -- General guidance for conducting hedonic tests with consumers in a controlled area ICS 67.240 CCSX04 National Standards of People's Republic of China Sensory Analysis Methodology General Guidelines for Consumer Preference Testing in Controlled Areas (ISO 11136.2014, NEQ) Published on 2022-04-15 2022-04-15 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Preparations before the test 3 4.1 Experimental scheme 3 4.2 Basis for target group determination 4 4.3 Other 4 5 Consumer Sample 5 5.1 General 5 5.2 Consumer recruitment5 5.3 Consumer Sample Construction 6 5.4 Consumer Sample Segmentation 6 6 Consumer sample size7 6.1 Measurement accuracy7 6.2 Determination of sample size 7 6.3 Consumer Subgroup Usage 8 6.4 Number of products to be tested and experimental design 8 6.5 Safety Limits on Recruitment 8 7 Test area 8 8 products9 8.1 Product Blind Evaluation 9 8.2 Product Preparation and Delivery 9 9 Program 10 9.1 Preference test classification 10 9.2 Rating method 10 9.3 Pairwise preference method 10 9.4 Sorting method 11 9.5 Other 11 9.6 Tips for consumers 12 10 Test 12 10.1 General 12 10.2 Experimental Design 13 10.3 Number of products tested in a single round 13 10.4 Properties of products in the same round of testing 14 10.5 Time to test 14 10.6 Number of Product Retests 14 10.7 Pre-experiments 14 11 Results Analysis 15 11.1 General 15 11.2 Inferential Analysis 15 11.3 Rating method (see 9.2) 15 11.4 Pairwise preference method (see 9.3) 15 11.5 Sorting (see 9.4) 15 12 Test report 16 12.1 General 16 12.2 Products 16 12.3 Test procedure 17 12.4 Consumers 17 12.5 Test Results 17 12.6 Annex 18 Appendix A (Informative) Example Recruitment Questionnaire 19 Appendix B (Informative) Consumer Subgroup Segmentation Data Evaluation Method 22 Appendix C (Informative) Impact of Sample Size on Results Precision 24 Appendix D (Informative) Minimum Sample Size for Rating Method 25 Appendix E (Informative) Product Offering Plan 28 Appendix F (Informative) Examples of Rating Method Data Analysis 29 Appendix G (Informative) Chinese Semantic Likelihood Scale 33 Reference 34

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" drafted. This document was drafted with reference to ISO 11136.2014 "General Guidelines for Consumer Preference Testing in Controlled Areas of Sensory Analysis Methodology", consistent with The degree of sexuality is not equivalent. Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed and managed by the National Sensory Analysis Standardization Technical Committee (SAC/TC566). This document was drafted by. China National Institute of Standardization, Luzhou Laojiao Co., Ltd., Sichuan Langjiu Co., Ltd., Chongqing Dezhuang Nong Product Development Co., Ltd., China Green Food Co., Ltd., China Testing and Certification Group Co., Ltd., Inner Mongolia Yili Industrial Group Co., Ltd. Co., Ltd., Zhejiang Gongshang University, Beijing Forestry University, Sichuan Yuankun Education Technology Co., Ltd. The main drafters of this document. Zhong Kui, Zhao Lei, Shi Bolin, Wang Houyin, Wang Ming, Jiang Yingli, Li Dejian, Tang Fei, Li Fengyong, Su Yufang, Tian Shiyi, Zhang Lulu, Zhu Baoqing, Yang Yu, Liu Longyun, Du Juan, Shen Yi, Zhang Li, Wei Yangji, Lin Zhaosheng. Sensory Analysis Methodology General Guidelines for Consumer Preference Testing in Controlled Areas

1 Scope

This document presents methods for measuring consumer preference or relative preference for a product within a controlled area. The method is based on asking Consumer data collection and analysis methods for questionnaires (including paper and electronic questionnaires). This document does not apply to tests related to consumption behavior, such as recording the quantity of products freely consumed by consumers. The liking testing methods (including acceptability testing and preference testing) in this document can be applied to. ---Comparing product preferences with competing products; ---Optimize products in order to obtain higher preference levels or more consumer favorites; --- Determine the product series suitable for a specific target consumer group; --- Determine the best consumption period of the product; --- assess the impact of formulation changes on product preferences; --- Study the influence of sensory characteristics of products (non-external characteristics, such as brand, price, advertisement, etc.) on the degree of product preference; --- Study the influence of commercial behavior or display form (such as packaging) on the degree of product preference; --- Determine whether there is a perceptible difference in preference between different products (test of difference in preference degree) or there is no perceptible difference in preference (increase check for similarity).

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 10221-2021 Sensory Analysis Terminology (ISO 5492.2008, IDT) GB/T 12315-2008 Sensory Analysis Methodology Ranking Method (ISO 8587.2006, IDT) GB/T 13868-2009 Sensory Analysis General Guidelines for Establishing Sensory Analysis Laboratories (ISO 8589.2007, IDT) GB/T 39501-2020 Guidelines for the use of quantitative response scales for sensory analysis (ISO 4121.2003, IDT) GB/T 39992-2021 Sensory Analysis Methodological Balance Incomplete Block Design (ISO 29842.2011, IDT)

3 Terms and Definitions

The terms and definitions defined in GB/T 10221-2021 and the following apply to this document. 3.1 controlled area controledarea An area that provides the following functions. --- controllable areas for preparing and delivering products; --- a comfortable environment for consumers to test products and receive questions; ---Avoid verbal and non-verbal communication between consumers and ensure that each consumer has an independent feedback area. [Source. GB/T 10221-2021, 6.56, with modifications] ......

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