Transcript Bad Popcorn in Big Buckets

Bad Popcorn in Big Buckets:
Can Portion Size Influence Intake
as Much as Taste?
Larger packages and containers lead people
to eat as much as 45% more, even if they
don’t like the taste! Learn to eat with your
stomach instead of with your eyes.
Wansink, Brian and Junyong Kim (2005), “Bad Popcorn
in Big Buckets: Portion Size Can Influence Intake as
Much as Taste,” Journal of Nutrition Education and
Behavior, 37:5 (Sept-Oct), 242-5.
We Really Do Eat with Our
Eyes, Not Our Stomachs
Moviegoers given
fresh popcorn at
45.3% more from large
containers.
Moviegoers given
STALE popcorn still
ate 33.6% more from
large containers.
Grams Eaten
Fresh Popcorn
Wansink, Brian and Junyong Kim (2005), “Bad Popcorn
in Big Buckets: Portion Size Can Influence Intake as
Much as Taste,” Journal of Nutrition Education and
Behavior, 37:5 (Sept-Oct), 242-5.
90
80
70
60
50
40
30
20
10
0
Medium
Large
Popcorn Size
Stale Popcorn
Do we overeat the foods we like, or do
we overeat the food we have?
Environmental factors may affect
how much we eat more than the
taste and quality of the food
Doubling the size of a container =
18-25% increase in
consumption of
meals
AND
30-45% increase in
consumption of
snacks
WHY?
An increase in consumption norms
Wansink, Brian and Junyong Kim (2005), “Bad Popcorn
in Big Buckets: Portion Size Can Influence Intake as
Much as Taste,” Journal of Nutrition Education and
Behavior, 37:5 (Sept-Oct), 242-5.
Don’t Get Caught in
the Stale Popcorn
Trap:
1.
2.
3.
Buy larger packages of
healthy foods like fruits and
vegetables
Buy smaller packages of
unhealthy foods
Divide larger packages into
smaller individual portions
Rule: portion size should vary with the
healthfulness of food!
Healthiness
Portion Size
Wansink, Brian and Junyong Kim (2005), “Bad Popcorn
in Big Buckets: Portion Size Can Influence Intake as
Much as Taste,” Journal of Nutrition Education and
Behavior, 37:5 (Sept-Oct), 242-5.
Video: Portion Sizes on 20/20:
Check out this study in the Cornell
Chronicle:
http://www.news.cornell.edu/stories/N
ov05/popcorn.pigs.ssl.html
http://www.youtube.com/watch?v=Xp
5HqJef9YI&feature=related
Learn More:
http://mindlesseating.org/
http://www.foodpsychology
.cornell.edu/
Wansink, Brian and Junyong Kim (2005), “Bad Popcorn
in Big Buckets: Portion Size Can Influence Intake as
Much as Taste,” Journal of Nutrition Education and
Behavior, 37:5 (Sept-Oct), 242-5.
Created By: Lauren Faldet