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People ate 25% less when given four 100-calorie packages of crackers versus one 400 calorie package
Thursday, April 21, 2011 1:13 pm Email this article
People ate 25 percent less -- 75 fewer calories -- when they were given four 100-calorie packages of crackers than when given one 400-calorie package according to a study by the always interesting Brian Wansink, PhD of Cornell University in Ithaca, New York, USA.
Overweight participants decreased their intake by 54 percent. Underestimated Calorie Intake
People underestimated their calorie intake by 60%
“However, all of the participants underestimated their consumption by 60% or more, indicating that sub-packaging does not appear to increase one’s accuracy in estimating how much is consumed,” the researchers noted.
Conclusion: Smaller packages help to reduce consumption
“Smaller sized sub-packaging most greatly benefits those who are overweight, yet it does so without making people more aware of how much they have eaten.”
Comments: Brian Wansink has done a lot of interesting studies exploring what things affect how much people eat
Brian Wansink, PhD has done a lot of interesting studies exploring what things affect how much people eat.
Other Studies by Brian Wansink
Other studies by Brian Wansink posted here
Other studies by Brian Wansink, PhD are posted here.
Some of the other studies he has done include:
Wansink B, Payne C, Shimizu M. The 100-calorie semi-solution: Sub-packaging most reduces intake among the heaviest. Obesity (Silver Spring). 2011 Jan 13, published on-line.
AUTHOR’S CONTACT INFORMATION
Brian Wansink, PhD
Charles H. Dyson School of Applied Economics and Management
Ithaca, New York, USA.
Books by Brian Wansink
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