11/29/2022 0 Comments Delboeuf illusion and food![]() ![]() Following this, a eld experiment investigates the robustness of these biases in a luncheon context. ![]() Second, four lab studies examine the opposing biases resulting in underserving and overserving. 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. First, the Delboeuf illusion is introduced as a potential explanation for the link between the size of dinnerware and serving behavior and consumption. 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). The visual illusions of food: Why plates, bowls, and spoons can bias. smaller) portion, although the actual quantity of food remains the same (this is known as the Delboeuf illusion). The Delboeuf illusion see image has long been known to cause us to misjudge the. 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. lled with food and the two concentric circles that constitute the Delboeuf illusion (compare the top two rows of g. ![]()
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