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ASTM E 1697 : 2005

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Test Method for Unipolar Magnitude Estimation of Sensory Attributes
Available format(s)

Hardcopy , PDF

Superseded date

09-04-2019

Language(s)

English

Published date

01-04-2005

Publisher

American Society for Testing and Materials

CONTAINED IN VOL. 15.08, 2014 Describes the procedure for the application of unipolar magnitude estimation to the evaluation of the magnitude of sensory attributes.

1.1 This test method describes a procedure for the application of unipolar magnitude estimation to the evaluation of the magnitude of sensory attributes. The test method covers procedures for the training of panelists to produce magnitude estimations and statistical evaluation of the estimations.

1.2 Magnitude estimation is a psychophysical scaling technique in which panelists assign numeric values to the magnitude of an attribute. The only constraint placed upon the panelist is that the values assigned should conform to a ratio principle. For example, if the attribute seems twice as strong in sample B when compared to sample A, sample B should receive a value which is twice the value assigned to sample A.

1.3 The intensity of attributes such as pleasantness, sweetness, saltiness or softness can be evaluated using magnitude estimation.

1.4 Magnitude estimation may provide advantages over other scaling methods, particularly when the number of panelists and the time available for training are limited. With approximately 1 h of training, a panel of 15 to 20 naive individuals can produce data of adequate precision and reproducibility. Any additional training that may be required to ensure that the panelists can properly identify the attribute being evaluated is beyond the scope of this test method.

Committee
E 18
DocumentType
Test Method
Pages
10
ProductNote
Reconfirmed 2005
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ASTM E 2262 : 2003 : R2014 Standard Practice for Estimating Thurstonian Discriminal Distances
ASTM E 1207 : 2014 Standard Guide for Sensory Evaluation of Axillary Deodorancy

ISO 8586-1:1993 Sensory analysis General guidance for the selection, training and monitoring of assessors Part 1: Selected assessors
ISO 11056:1999 Sensory analysis Methodology Magnitude estimation method
ASTM E 1871 : 2017 : REDLINE Standard Guide for Serving Protocol for Sensory Evaluation of Foods and Beverages
ISO 6658:2017 Sensory analysis — Methodology — General guidance
ISO 4121:2003 Sensory analysis — Guidelines for the use of quantitative response scales
ISO 8589:2007 Sensory analysis — General guidance for the design of test rooms
ISO 5492:2008 Sensory analysis — Vocabulary

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PDF - English
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