date:Aug 29, 2012
When we did a makeover of a fast-food restaurant, we found that softer music and lighting led diners to eat 175 fewer calories and enjoy it more, said Brian Wansink, professor of marketing and the studys lead author.
Mr. Wansink and his co-author, Koert van Ittersum of the Georgia Institute of Technology, found that softening the lighting and music in fast-food restaurants didnt change what people ordered, but it caused them to eat 18% less of what they ordered 775 calories instead of 949. They