Tag: Difference/Discrimination Testing

Technical Report: Population Thresholds

ABSTRACT A surprising number of applied sensory problems can be classified as threshold problems. For example, the time after application when an air freshener can no longer be detected is a time threshold. Similarly, the moment at which an off-note…

Technical Report: Models for the A-Not A Method

ABSTRACT The A-Not A method is a well-known discrimination method used in sensory analysis and signal detection. The method typically involves either paired or sequential presentation of two products; on each trial the subject decides whether the product presented is…

Technical Report: Models for Replicated Ratings

ABSTRACT A competitor has introduced a new fragrance for young females into a market that your company dominates with an existing fragrance. Since these fragrances are quite different according to your perfumers, you decide to test them among separate consumer…