About author

Benoit Riou

ONIRIS engineer, specialized in Sciences and Method for Decision, Benoit builds expertise in external preference mapping and typology. In 2013, Benoit created Stat & More, a company specialized in statistical consultancy, automation, artificial intelligence & data processing.

Author's posts


When the purpose of a study is to evaluate the performance of a group of stimuli (concepts, products, or services) and each of the stimuli are rated by respondents, at the time of analysis, we should question the level of performance

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Stat & More… Is your partner in statistical consulting and data processing, at the service of research companies, consultants, advertisers and all industrial or service companies who have to process and enhance their data.

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TETRACLASSE model* or Llosa's matrix allows us to prioritize the attributes impacting the satisfaction or dissatisfaction of a population towards a service/product or a brand according to two main criteria:

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