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Discrimination Testing

Discrimination testing constitutes more than half of many companies' sensory product research. It addresses a wide range of issues such as ingredient modification, supplier changes, new federal or state regulations, competitive benchmarking, and shelf-life.

 

Over many years of academic and applied research, the DSI has developed an advanced expertise in the field of discrimination testing. We have, for example, been involved in the development of the tetrad method and established the importance of Thurstonian modeling.

 

Using our knowledge and experience, we can make expert recommendations regarding methodology, power and samples size, maximizing the reliability of 'similarity or difference' conclusions reached during discrimination testing.

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