How does the smiley face symbol make your child eat more healthy food? Translation

A new study suggests that healthy foods labeled with smiley faces and small rewards for buying nutritious foods can stimulate children's desire to buy and eat more.looks like we've found a very promising, low-cost and effective way to improve nutrition in elementary school students," said study author
Robert Siegel
of Cincinnati Children's Hospital Medical Center.
”Siegel
that
"
may be very useful for schools working to improve the nutrition and health of
students
. The sentence highlights the need to improve the healthy diet of students in downtown Cincinnati schools from kindergarten through sixth grade through two intervention phases.the first phase of the school cafeteria, the most nutritious foods include fruits, vegetables, pure skimmed milk and whole grain main courses with green smiley faces. Three months later, the researchers introduced the concept of
"
in a plate of
"
four healthy foods.who choose
Power Plate
may receive a small reward, such as stickers, temporary tattoos, or mini beach balls. During the intervention phase, if the researchers saw a student choose the four healthy foods
/
drinks, they would reward the child at all times. Cash register receipts can be used to measure differences in the purchase of healthy food from the baseline

months of dry expectations.results show that the proportion of pure milk purchases to total milk sales increased from
7.4%
to
48%
. At the same time, chocolate milk sales fell from
86.5%
to
44.6% of total
.addition, the number of fruits selected per student per day increased from
1.
to
1.2
by
20%
, and vegetable selection increased from
0.74
to
1.2
by
62%
%.Power Plate

335 percent increase in choice compared to the baseline the results were presented at the annual meeting of the San Diego
Pediatrics
(PAS).