The More Food Young Adults Are Served, the More They Overeat
Brief study on Cornell undergraduates whose average food intake was recorded. Later, when they were served larger portions, the undergrads ate more. This reinforces the theory that portion sizes, rather than hunger, influence how much we eat.
Bottomless Bowls: Why Visual Cues of Portion Size May Influence Intake
http://www.nature.com/oby/journal/v13/n1/abs/oby200512a.html
Although this article focuses on people age 18 to 46 it demonstrates the same principle in a more striking manner. In this experiment, half of people's soup-bowls were "slowly and imperceptibly refilled as their contents were consumed." Even though this caused people to eat over twice as much soup (averaging 14.7 oz.) , they didn't think they had consumed more than their original 6.1 oz serving. This shows how "people use their eyes to count calories and not their stomachs."
Crave One Add Two
http://web.ebscohost.com/ehost/detail?vid=27&hid=12&sid=5a981d99-43c8-4206-8c37-8e16b27e7657%40sessionmgr10&bdata=JnNpdGU9ZWhvc3QtbGl2ZQ%3d%3d#db=aph&AN=8878648
Another brief article (not focused on college-age), but suggests that focusing on 3 food items will satisfy one's desire for variety, help prevent over-eating, and leave one satisfied. This complements the findings of the articles above and suggests a solution.
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