Presentations

Talk: The 9-Point Scale and Hedonic Ranking: Some re-Appraisals and Alternatives

Presented at Senseasia 2016 in Shanghai, China. Colleagues can download the full presentation here: The 9-Point Scale and Hedonic Ranking: Some re-Appraisals and Alternatives Not a Colleague? Click here to join for free!

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Talk: How do Perceived Sensory Differences and Preferences Relate?

Presented at Senseasia 2016 in Shanghai, China. Colleagues can download the full presentation here: How do Perceived Sensory Differences and Preferences Relate? Not a Colleague? Click here to join for free!

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Talk: Power and Precision in Sensory Difference Testing

Presented at the Fall 2015 ASTM meeting in Tampa, FL. Colleagues can download the full presentation here: Power and Precision in Sensory Difference Testing Not a Colleague? Click here to join for free!

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Poster: Studying population segmentation using a consumer ideal point model

Presented at the 2015 Pangborn Symposium in Gothenburg, Sweden. Consumers vary in what they like and dislike. They may cluster into groups or segments of similar-minded individuals, but it is often difficult to determine what causes segments to exist. In a typical consumer product test, respondents are screened and profiled according to a series...

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Poster: When are two products close enough to be equivalent?

Presented at the 2015 Pangborn Symposium in Gothenburg, Sweden. When comparing a gold standard and an alternative formulation for a “match”, a difference will always be found given the sample size is large enough. The question is thus not whether products are different but whether they are “close enough”. In order to answer and...

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Talk: Product Testing and Claims Support

Presented at the August 2014 IV International Forum of Consumer Protection: Law and Advertisement in Bogotá, Colombia. Colleagues can download the full presentation here: Talk: Product Testing and Claims Support Not a Colleague? Click here to join for free!

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Talk: A Thurstonian Comparison of the Tetrad and Degree of Difference Tests

Presented at the 2014 Sensometrics Conference in Chicago, Illinois. The recurring need to assess product reformulations has kept difference testing at the forefront of sensory science. Within the realm of difference testing, the Tetrad test has risen in popularity recently as its superiority over the Triangle test has been demonstrated both in theory and...

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Talk: Sensory Discrimination Testing and Consumer Relevance

Presented at the 2014 SenseAsia Symposium in SingEx, Singapore. Difference testing is one of the most commonly available tools for sensory scientists who are studying process and ingredient modifications for cost-saving, supplier replacement, or health-related initiatives. Despite its name, difference testing usually focuses on studying the similarity of products, i.e., their equivalence, rather than...

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Poster: Establishing Consumer-Relevant Action Standards in Sensory Discrimination Testing

Presented at the 2013 Pangborn Symposium in Rio de Janeiro, Brazil. The decision to accept or reject a product reformulation following a sensory discrimination test is often based solely on a statistical test against a null-hypothesis of “no difference”. But a non-significant difference with a given number of assessors can become significant if the...

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Talk: Why establishing the consumer relevance of a sensory difference is critical

Presented at the 2013 Pangborn Symposium in Rio de Janeiro, Brazil. Discrimination testing is most often used in situations where a product’s sensory properties must be matched by a reformulated version responding for instance to cost reduction initiatives or a new governmental regulations. The decision of accepting or rejecting an alternative is typically made...

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