Researchers have found a new way to control the amount we eat: use a bigger fork. While numerous studies have focused on portion sizes and their influence on how much we eat, researchers Arul and Himanshu Mishra and Tamara Masters looked at how bite sizes affect quantities ingested.
To do this, they conducted field research in a popular Italian restaurant in the south-western United States.
Two sets of forks were used to tinker with bite size: a larger fork that held 20 percent more food than the fork usually used in the restaurant, and a smaller fork that held 20 percent less than the usual utensil. Over two lunches and two dinners in the restaurant, tables were either "large fork" or "small fork" tables.
Servers, including one of the study's authors, took customers' orders, and weighed the full plate of food that they had ordered before serving it to them. A small sticky note was attached to the underside of each plate, noting the weight and other information - just in case the fork and plate were separated when the table was cleared.
At the end of the meal, the plate was brought back to the kitchen and weighed again, and the researchers found that diners who used the bigger fork ate less of their food than those who used the smaller one.
But the big fork, less eaten theory only worked in a restaurant setting. A study conducted in the lab, which also used Italian food, found that people who used big forks actually consumed more.
The researchers, whose findings were published in the Journal of Consumer Research, concluded that there are different motivations when we eat in a restaurant or a lab.
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