Standard
AS 2542.1.1:2014
[Withdrawn]Sensory analysis, Part 1.1: Methodology — General guidance
Adopts ISO 6658:2005 to provide general guidance on the use of sensory analysis, including tests for the examination of food and techniques to be used if statistical analysis of the results is required.
Published: 17/12/2014
Pages: 20
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
4.1 Basic information
4.2 Statement of objectives
4.3 Choice of test
4.4 Choosing and training assessors
4.5 Material to be tested
4.6 Test room
4.7 Planning and conduct of the test
5 Methods of test
5.1 General
5.2 Discrimination tests
5.2.1 General
5.2.2 Paired comparison test
5.2.2.1 Definition
5.2.2.2 Application
5.2.2.3 Procedure
5.2.2.4 Analysis of results
5.2.3 Triangle test
5.2.3.1 Definition
5.2.3.2 Application
5.2.3.3 Procedure
5.2.3.4 Analysis of results
5.2.4 Duo-trio test
5.2.4.1 Definition
5.2.4.2 Application
5.2.4.3 Procedure
5.2.4.4 Analysis of results
5.2.5 Two-out-of-five test
5.2.5.1 Definition
5.2.5.2 Application
5.2.5.3 Procedure
5.2.5.4 Analysis of results
5.2.6 “A — not A” test
5.2.6.1 Definition
5.2.6.2 Application
5.2.6.3 Procedure
5.2.6.4 Analysis of results
5.3 Use of scales and categories
5.3.1 General considerations
5.3.2 Interpretation of results
5.3.2.1 Quality of the measurements obtained
5.3.2.2 Statistical power and interpretation
5.3.2.3 Types of measurement
5.3.3 Classification
5.3.3.1 General
5.3.3.2 Application
5.3.4 Grading
5.3.4.1 General
5.3.4.2 Application
5.3.5 Ranking
5.3.5.1 General
5.3.5.2 Application
5.3.5.3 Procedure
5.3.6 Rating and scoring
5.3.6.1 General
5.3.6.2 Application
5.3.6.3 Procedure
5.4 Descriptive tests
5.4.1 Types of test
5.4.2 Simple descriptive test
5.4.2.1 Definition
5.4.2.2 Application
5.4.2.3 Procedure
5.4.2.4 Interpretation of results
5.4.3 Quantitative descriptive and sensory profile tests
5.4.3.1 Definition
5.4.3.2 Application
5.4.3.3 Assessors
5.4.3.4 Procedure
5.4.3.5 Interpretation of results
5.4.4 Free-choice profiling
5.4.4.1 Definition
5.4.4.2 Application
5.4.4.3 Assessors
5.4.4.4 Procedure
5.4.4.5 Interpretation of results
6 Analysis of results
6.1 General
6.2 Discrimination tests
6.2.1 General
6.2.2 Paired comparison test (see ISO 5495)
6.2.2.1 Statistical interpretation
6.2.2.2 Two-sided test
6.2.2.3 One-sided (directional) test
6.2.3 Triangle test (seeISO 4120)
6.2.4 Duo-trio test
6.2.5 Two-out-of-five test
6.2.6 “A — not A” test (seeISO 8588)
6.2.7 Treatment of “no difference” responses in discrimination tests
6.2.8 Systematic effects
6.2.9 Sequential approach (seeISO 16820)
6.3 Tests using scales and categories
6.3.1 General
6.3.2 Classification
6.3.3 Grading (seeISO 4121)
6.3.4 Ranking (seeISO 8587)
6.3.5 Rating
6.3.6 Scoring
6.4 Analytical or descriptive tests
Annex A
A.1 Test of a hypothesis — Null hypothesis
A.2 Alternative hypothesis
A.3 Significance and significance level
A.4 Mistaken conclusions: Type II — Efficiency
Bibliography
Cited references in this standard
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