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The effect of portion size on long-term acceptability was examined in two types of novel green-tea drinks containing flavors (passion-fruit flavor or osmanthus flavor). The drinks were formulated by adding each flavor to green-tea infusion and served at 10±2°C. For passion-fruit drink, two groups of participants consumed either a small (15ml) or a large-portion (75ml) and rated their liking using...
Point of purchase interventions may curb portion size effects and overconsumption by consumers. This study determines whether adding smaller portion sizes to a retailer’s assortment unobtrusively encourages consumers to buy smaller portions. Therefore, a field experiment with meat sausage as focal product, was conducted over the course of a month in a branch of a large European retailer, generating...
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