Served Portion Sizes Affect Later Food Intake Through Social Consumption Norms.

ABSTRACT: Portion sizes of commercially available foods have increased, and there is evidence that exposure to portion sizes recalibrates what is perceived as 'normal' and subsequently, how much food is selected and consumed. The present study aims to explore the role of social (descriptive and injunctive) and personal portion size norms in this effect. Across two experiments, participants were either visually exposed to (Study 1, N = 329) or actually served (Study 2, N = 132) a smaller or larger than normal food portion. After 24 h, participants reported their intended consumption (Study 1) or served themselves and consumed (Study 2) a portion of that food and reported perceived portion size norms. In Study 1, visual exposure to portion size did not significantly affect intended consu

SUBMITTER: Raghoebar S 

PROVIDER: S-EPMC6949930 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature