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BSI BS ISO 16820:2019

Sensory analysis. Methodology. Sequential analysis
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BSI BS ISO 16820:2019

Sensory analysis. Methodology. Sequential analysis

PUBLISH DATE 2019
PAGES 18
BSI BS ISO 16820:2019

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:

  1. 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;

  2. selecting, training and monitoring assessors.

SDO BSI: British Standards Institution
Document Number ISO 16820
Publication Date Oct. 9, 2019
Language en - English
Page Count 18
Revision Level
Supercedes
Committee AW/12
Publish Date Document Id Type View
Oct. 9, 2019 BS ISO 16820:2019 Revision
July 1, 2004 BS ISO 16820:2004 Revision