In recent years innumerous food for thought manufacturers have been “ sub - box ” their food into smaller portions in an apparent endeavour to curb folks from stuff . you may usually feel 100 kcal multi - packs of chips , pretzel , chocolates , and all sort of junk foods . Despite the very obvious negative environmental impact of all this supererogatory promotional material , what , if any , wallop does such publicity have on mass ’s consumption .
Thankfully , Wansink and confrere had previously published a paper in the diary Obesity investigating this very question .
I antecedently discussed another bailiwick by Wansink that essentially point thatwhen snacks are do in bigger bowls , mass be given to eat more of their contents .
Thus , it would seem reasonable to think the reverse was also truthful in price of small software program for snacks , as in the caseful with these hyper - packaged 100kcal bags of junk .
So the same source sought to address this issue , and also to contain if the effect on using up of humble packages differed between heavy and normal weight unit someone .
A total of 42 undergraduate student take part in the simple study which essentially had the participants snack on crackers while watching a situation comedy – now THAT is what I call enquiry !
one-half of the participant were given one large 400 - small calorie package of redneck or a similar - sized software program that had then been sub - split into four small 100 - calorie sub - packaged crackers . They were dim to the use of the study .
After watch the show , the crackers not ware by the participants were counted to calculate everyone ’s caloric inhalation . Also , each player was take how many crackers they think they consumed .
turn out , overweight player eat significantly more crackers when corrode from one large computer software than from four minuscule software . In fact , they ingest more than double the issue of kilocalorie with the bigger package : 384 calories versus 176 calorie .
Surprisingly , there was no difference in white plague between package weather among the normal - exercising weight participants .
Despite this difference of opinion in consumption , what is odd is that all groups ( small software package and big package , overweight and normal free weight ) underestimated how many crackers they had eaten by more than 60 % !
This suggests that the little packaging does n’t make people more accurate at keeping caterpillar track of what they ate .
So why the difference between heavy and normal weight participants ? The authors suggest that : “ weighty people were more likely to rely on extraneous cue to check eating , [ and thus ] the perception of package count might play a crucial part for overweight participants in find out their food intake . ”
This articlefirst appear on PLoS Blogsand republished here under Creative Common license . Image byAni - Beeunder Creative Commons licence .
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