Preordering lunch increases healthy entree selection in elementary schools

Cornell University researchers Andrew Hanks, David Just and Brian Wansink set out to test whether or not preordering lunch would nudge students to make healthier entrée choices. They found that when preordering was available, 29.4 percent of students ordered the healthier lunch entrée compared to 15.3 percent when no preordering took place. When ordering in the lunch line healthy entrée selection was reduced by 48 percent and less healthy entrée choices increased by 21 percent.

Fuente : http://www.eurekalert.org/pub_releases/2013-05/cfb...