What is ISO 5495- Paired comparison test for sensory analysis about?
ISO 5495 is an international standard on sensory analysis that discusses the paired comparison test to provide support to research and development, marketing, and quality control.
ISO 5495 describes a procedure for determining whether there exists a perceptible sensory difference or a similarity between samples of two products concerning the intensity of a sensory attribute. This test is sometimes also referred to as a directional difference test or a 2-AFC test (Alternative Forced Choice). The paired comparison test is a forced-choice test between two alternatives.
The method under ISO 5495 applies whether a difference exists in a single sensory attribute or in several, which means that it enables determination of whether there exists a perceptible difference con...