Image of recommended serving size reduces consumption

20 April 2016

People have the tendency to eat more if they are served food in larger portions or packages, which is often referred to as the portion size effect. Notably, people will even eat more if serving sizes are so large that they wouldn’t be able to eat the smaller portion, let alone the larger one.
For her thesis Iris Versluis conducted research on how the portion size effect can be prevented. She found that one way to do this is to place an image of the recommended serving size on the packaging. This recommendation provides a good indication of what is the proper amount to eat and encourages people to moderate their consumption (News Item Erasmus University Rotterdam, 15 April 2016).
Click here for the news item.

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