Category: Technical Reports

Technical Report: Multivariate Sensory Quality Control

ABSTRACT A consumer product, such as a cookie, produces multidimensional sensory effects when it is eaten. In order to produce sensorially consistent cookies, it is necessary to develop and use methods that account for multidimensionality. For instance, a consumer may…

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: Multivariate Preference Mapping

ABSTRACT In our Spring 1998 newsletter, we discussed a method for the analysis of liking data. The goal of this method was to discover attributes that drive liking. The method, called probabilistic unfolding, displays products and ideals as distributions. Preference…

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…

Technical Report: Drivers of Liking

ABSTRACT Assessment of the strengths and weaknesses of your own and your competitors’ brands is an area of mutual concern to product developers and market researchers. In this report we assume that consumers base overall liking and preference decisions on…