Misleading size labels encourage 'guiltless gluttony' amongst consumers

 
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Washington, Nov 16 (ANI): A new research has revealed that size labels on food products can often mislead people into thinking that it's a "small" portion, and consequently lead to overeating.

Nilufer Z. Ayinoglu (Koc University, Istanbul) and Aradhna Krishna (University of Michigan) found that inconsistent portion sizes contribute to people's uncertainty about the appropriate amount to eat.

"In this context of large portion sizes and consumer uncertainty about appropriate food intake, we show that size labels chosen by food and drink vendors (such as 'small-medium-large') can have a major impact on consumers' purchase and consumption behavior," the authors wrote.

In the study, when people consumed a large item that was labelled "small," they felt less guilty - an effect called "guiltless gluttony" by the authors.

The result - consumers can continue to eat large sizes that are labeled as smaller and feel that they have not consumed too much.

"This can result in unintended and uninformed over-consumption, which is clearly ridden with significant health ramifications, and size labels could be contributing to the rampant obesity problems in the United States," they said.

And this biasing effect was most pronounced when people's concern about accurate nutrition intake was not high and when people's ability to process was limited.

"Stricter size labeling laws and more vigilant monitoring of marketers' use of size labels may be needed, especially considering the limited cognitive resources available to consumers for routine food choice and consumption behavior during their other everyday endeavors," the authors conclude.

The study is published in the Journal of Consumer Research. (ANI)

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