Abstract
Food-related cues can increase the time a person spends in the dining room. Increasing the time a person spends dining can improve their food intake. Studies on the use of music and olfactory cues have produced conflicting results. This study explores whether the portion size effect (PSE), the portion served, influences a person's consumption and can explain the inconsistent results. The study focused on testing this phenomenon with residents in an aged-care home. Malnutrition is often a problem with residents in aged-care facilities. Exposing the residents to various cues (music, olfactory and infographics) over seven weeks with different portions of food served. Results showed that the cues did not significantly impact, but PSE did, casting doubts on studies that did not control for the portion served. Discussions of the academic and managerial implications are also provided.
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