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BS ISO 11056:2021

BS ISO 11056:2021

$167.15

Sensory analysis. Methodology. Magnitude estimation method

Published By Publication Date Number of Pages
BSI 2021 40
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This document specifies a method for applying magnitude estimation to the evaluation of sensory attributes. The methodology specified covers the training of assessors, and obtaining magnitude estimations as well as their statistical interpretation.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Principle
5 General test conditions
11 6 Selection and training of assessors
6.1 General conditions for selection and training
6.2 Training specific to the magnitude estimation method
12 7 Number of assessors
7.1 General
7.2 Analytical and research panels
13 7.3 Consumer panels
8 Procedure
8.1 Presentation of samples
8.2 External reference sample
8.3 Order of presentation of samples
8.4 Magnitude estimations
8.4.1 General
14 8.4.2 Without fixed modulus for the external reference
8.4.3 With fixed modulus for the external reference
8.4.4 Without external reference
15 9 Analysis of data
9.1 Choice of data analysis method
9.2 Presentation of raw results
9.3 Establishment of product differences
9.4 Regression
16 9.5 Rescaling methods
9.5.1 Total rescaling
9.5.2 Rescaling in relation to the reference sample
9.5.3 External rescaling
17 10 Test report
18 Annex A (informative) Questionnaire models
20 Annex B (informative) Examples of data analysis
39 Bibliography

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BS ISO 11056:2021
$167.15