Linking product-elicited emotional associations and sensory perceptions through a circumplex model based on valence and arousal : Five consumer studies

COMPORTAMIENTO DEL CONSUMIDOR

EVALUACION SENSORIAL

MEDICION DE LA EMOCION

INVESTIGACION DEL PRODUCTO

BIBLIOGRAFIA NACIONAL QUIMICA

2018

Sensory product characterisation by consumers is increasingly supplemented by measurement of emotional associations. However, studies that link products' sensory perception and emotional associations are still scarce. Five consumer studies were conducted using cashew nuts, peanuts, chocolate, fruit and processed tomatoes as the product categories. Consumers (n = 685) completed check-all-that-apply (CATA) questions to obtain sensory product perceptions and associations with emotion words. The latter were conceptualised and interpreted through a circumplex emotion model spanned by the dimensions of valence (pleasure to displeasure) and arousal (activation to deactivation). Through regression analysis, sensory terms were mapped to the circumplex model to represent statistical linkages with emotion words. Within a were interpretable. The most notable finding was the highly study-specific nature of the linkages, which was mainly attributed to the influence of product category. Methodological choices may also have been partly responsible for the differences. Three studies used a general emotion vocabulary (EsSense Profile®) and an identical number of sensory terms (n = 39). The less complete coverage of the emotional circumplex and the presence of synonymous sensory terms could have diminished the ability to interpret the results. Conversely, two studies used fewer emotion words and sensory terms and these, furthermore, were purposefully selected for the focal sets of samples. The linkages in these latter studies were more interpretable and this could suggest that customised vocabularies of modest length may be desirable when seeking to establish linkages between emotional associations and sensory characteristics of food/beverage stimuli. Purposeful inclusion of emotion words that fully span the circumplex emotion model may also be desirable. Overall, the research represents a new method for establishing linkages between the sensory properties and emotional association to food and beverage products.

Food Research International 109 (2018) 626–640 v. 109, 2018.-- p. 626-640

Elsevier

2018

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DOI:10.1016/j.foodres.2018.04.063

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