Annual Review of Psychology, 59, 617–645.īasso, F., Petit, O., Le Bellu, S., Lahlou, S., Cancel, A., & Anton, J. Nutrition Journal, 17(1), 46.īarsalou, L. Impact of three different plate colours on short-term satiety and energy intake: a randomized controlled trial. Size-contrast illusions deceive the eye but not the hand. Overall, by giving the impression of a larger portion on product packaging, the Delboeuf illusion could potentially be used to nudge consumers to find food more desirable, while at the same time leading them to reduce their serving, thus potentially benefitting both consumers and the food industry.Īglioti, S., DeSouza, J. Here, we demonstrate in two experiments that by presenting food in a smaller container (thus giving rise to the illusion of a relatively larger portion), participants have higher purchase intentions (study 1) and perceive the food as being more appetizing (study 2) but, crucially, decrease the size of the portion that they serve themselves (studies 1 and 2). smaller) portion, although the actual quantity of food remains the same (this is known as the Delboeuf illusion). larger) container (i.e., plate or bowl) creates the illusion of a larger (vs. The research reported here builds on the fact that depicting a food portion in a smaller (vs. However, one problem with such images is that they can set inappropriate norms as far as food consumption is concerned and hence result in people serving themselves more than they otherwise might. Exaggerated portion sizes are generally pictured on the front of product packaging in order to stimulate food craving and encourage consumer purchasing decisions.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |