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ISO 16820:2019

Current

Current

The latest, up-to-date edition.

Sensory analysis — Methodology — Sequential analysis

Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English, French

Published date

03-10-2019

€60.00
Excluding VAT

This document specifies a procedure for statistically analysing data from forced-choice sensory discrimination tests, such as the triangle, duo-trio, 3-AFC, 2-AFC, in which after every trial of the discrimination test the decision can be made to stop testing and declare a difference, to stop testing and declare no difference, or to continue testing.

The sequential method often allows for a decision to be made after fewer trials of the discrimination test than would be required by conventional approaches that use predetermined numbers of assessments.

The method is effective for:

a) determining that either:

  1. a perceptible difference results; or
  2. a perceptible difference does not result when, for example, a change is made in ingredients, processing, packaging, handling or storage;

b) selecting, training and monitoring assessors.

N

Committee
ISO/TC 34/SC 12
DocumentType
Standard
Pages
10
PublisherName
International Organization for Standardization
Status
Current
Supersedes

Standards Relationship
DIN ISO 16820:2021-01 Identical
DIN ISO 16820:2020-07 (Draft) Identical
BS ISO 16820:2019 Identical

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