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Serving Size Reminder In Potato Chip Tubes Curbs Over-Eating

May 28, 2012: 05:33 AM EST
Cornell University researchers report that they have discovered a way to help people curb the nearly insatiable appetite for potato chips packaged in tubes. An experiment involving 98 college students found that placing edible serving size markers – dyed red – placed in the tubes serve as subconscious stop signs. Unaware of why some of the chips were red, students served potato chip tubes consumed about 50 percent less than their peers: 20 and 24 chips on average for the seven-chip (one serving) and 14-chip (two servings) segmented tubes. This compared with 45 chips in the control group.
Andrew Geier et al., "Red potato chips: Segmentation cues can substantially decrease food intake", Health Psychology, May 28, 2012, © American Psychological Association
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