Snackwell effect

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Snackwell effect is a phenomenon that states that dieters will eat more low-calorie cookies, such as SnackWells, than they otherwise would for normal cookies.[1][2]

The term is also used for similar effects in other settings, such as energy consumption, where it is termed the 'rebound effect'. For example, according to a 2008 study, people with energy efficient washing machines wash more clothes.[3][4] People with energy efficient lights leave them on longer, and lose 5-12% of the expected energy savings of 80%.[5]

See also[edit]


  1. ^ "One reason I've suggested is what called the SnackWell's Phenomenon: By giving a free pass to good nutrients, people go there and eat a lot more food. If one SnackWell's is okay because it's low-fat, a whole box is probably better." -- Food writer Michael Pollan in his Otis Lecture at Bates College, Oct. 27, 2008.
  2. ^
  3. ^ Lucas W. Davis: 'Durable Goods and Residential Demand for Energy and Water: Evidence from a Field Trial'. The RAND Journal of Economics Vol. 39, No. 2 (Summer 2008), pp. 530-546.
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  5. ^