1.1 Researchers may sometimes choose to have each of their assessors perform replicate evaluations of a forced-choice discrimination test. This may occur, for example, if the researcher does not have access to a large enough pool of assessors to perform an unreplicated test that would have the level of sensitivity the researcher desires. Another situation in which a researcher wants to explore assessor-to-assesor differences in acuity. The replicate evaluations increase the sensitivity of the test and provide insights related to differences in acuity among assessors but the replicated evaluations affect the way in which the data from the test need to be analyzed. 1.2 The guide covers the analysis of data obtained from replicated froced-choice discrimination tests - tests in which the same assessor performs the discrimination test multiple times on the same set of products. In a replicated...
The title and scope are in draft form and are under development within this ASTM Committee.
Citing ASTM Standards
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