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Article Dans Une Revue Food Quality and Preference Année : 2014

Panel performance for Temporal Dominance of Sensations

Résumé

Given the particular nature of TDS data, specific analyses were developed and published over the past years to characterize the evolution of the dominant sensations in a product, to compare products to each other and to map the entire product space. Statistical approaches were also proposed to assess panel discrimination ability and agreement between subjects. To continue further on this direction, a general framework is proposed to evaluate panel and subject performance in TDS context. A protocol for testing products to evaluate the performance is proposed (before the measurement phase). Seven indicators are then described and summarized in a single table to facilitate the interpretation of the results by the panel leader. Three of the indicators describe panel and subject behavior in terms of attribute selection. The four remaining indicators describe the discrimination ability and the agreement, both at panel and subject levels. These indicators are inspired from usual ANOVA calculations used for descriptive profiling, but tested according to a permutation approach to overcome issues due to the nature of TDS data (non-independency between recorded values).
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Dates et versions

hal-01186416 , version 1 (24-08-2015)

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Melissa Lepage, Tara Neville, Andreas Rytz, Pascal Schlich, Nathalie Martin, et al.. Panel performance for Temporal Dominance of Sensations. Food Quality and Preference, 2014, 38, pp.24-29. ⟨10.1016/j.foodqual.2014.05.002⟩. ⟨hal-01186416⟩
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