Search results for "wine minerality"
showing 2 items of 2 documents
Structural approach of social representation: Application to the concept of wine minerality in experts and consumers
2015
© 2015 Elsevier Ltd. In recent years the sensory evaluation field has been moving from the traditional sensory descriptive methodologies towards consumer based methodologies. Sensory descriptions are not confined to sensory evaluation. In everyday life, people use also descriptions to communicate about products sensory properties. The theory of social representation offers a new approach for studying the meaning of the terminology used in these everyday life descriptions. One implication of this theory is that meaning is created through a system of social negotiations rather than being a fixed and finite code. The goal of the present study was to understand the meaning of the concept of win…
Clustering of textual networks: analysing open-ended questions in text data of the perception of minerality in wine
2014
International audience; Open-ended questions are commonly used in sensory analyses, and are usually dealt with by correspondence analysis (CA) of the term-respondent matrix. CA is apt in detecting strong associations between terms and groups of respondents, but less so when the questions are interpreted differently among respondents and, thus, seem to open a polysemic space for the answers. Also, CA offers little flexibility in filtering out irrelevant textual structure, or in controlling the relative contribution of rare versus frequent terms in the overall analysis. This contribution presents methodological extensions of CA together with application on a survey of 1900 responses bearing u…