ASTM E1958 - 12

    Standard Guide for Sensory Claim Substantiation

    Active Standard ASTM E1958 | Developed by Subcommittee: E18.05

    Book of Standards Volume: 15.08


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    1. Scope

    1.1 This guide covers reasonable practices for designing and implementing sensory tests that validate claims pertaining only to the sensory or perceptual attributes, or both, of a product. This guide was developed for use in the United States and must be adapted to the laws and regulations for advertisement claim substantiation for any other country. A claim is a statement about a product that highlights its advantages, sensory or perceptual attributes, or product changes or differences compared to other products in order to enhance its marketability. Attribute, performance, and hedonic claims, both comparative and non-comparative, are covered. This guide includes broad principles covering selecting and recruiting representative consumer samples, selecting and preparing products, constructing product rating forms, test execution, and statistical handling of data. The objective of this guide is to disseminate good sensory and consumer testing practices. Validation of claims should be made more defendable if the essence of this guide is followed.

    Table of Contents

     

    Section

    Introduction

     

    Scope

    1

    Referenced Documents

    2

    Terminology

    3

    Basis of Claim Classification

    4

    Consumer Based Affective Testing

    5

     Sampling

    5.1

     Sampling Techniques

    5.2

     Selection of Products

    5.3

     Sampling of Products When Both Products Are Currently on
      the Market

    5.4

     Handling of Products When Both Products Are Currently on
      the Market

    5.5

     Sampling of Products Not Yet on the Market

    5.6

     Sample Preparation/Test Protocol

    5.7

    Test Design—Consumer Testing

    6

     Data Collection Strategies

    6.6

     Interviewing Techniques

    6.7

     Type of Questions

    6.8

     Questionnaire Design

    6.9

     Instruction to Respondents

    6.10

     Instructions to Interviewers

    6.11

     General/Overall Questions

    6.12

     Positioning of the Key Product Rating Questions

    6.13

     Total Test Context and Presentation Matters

    6.14

     Specific Attribute Questions

    6.15

     Classification or Demographic Questions

    6.16

     Preference Questions

    6.17

    Test Location

    7

    Test Execution by Way of Test Agencies—Food and Non-Food
     Testing

    8

    Laboratory Testing Methods

    9

     Types of Tests

    9.2

     Advantages and Limitations of the Use of Trained Descriptive
      Panels in Claims Support Research


    9.3

    Test Design—Laboratory Testing

    10

     Product Procurement

    10.6

     Experimental Design

    10.7

     Data Collection

    10.8

     Data Analysis

    10.9

    Questionnaire Construction

    11

    Test Facility

    12

    Statistical Analysis

    13

     Paired-Preference Studies

    13.1

     Superiority Claims

    13.2

     Parity Claims

    13.3

     Paired Comparison/Difference Studies

    13.4

     Analysis of Data from Scales

    13.5

    Keywords

    14

    Commonly Asked Questions About ASTM and Claim
     Substantiation

    Appendix X1



    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    E253 Terminology Relating to Sensory Evaluation of Materials and Products

    E1885 Test Method for Sensory Analysis--Triangle Test

    E2164 Test Method for Directional Difference Test


    ICS Code

    ICS Number Code 67.240 (Sensory analysis)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/E1958-12

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