Sublime

For example, a professor doubled the number of people who were willing to participate in a survey by attaching a handwritten note to the request.2 Hotels increased the reuse of towels by 25% when they changed the wording of placards next to the towels.3 People serve themselves less food when the color of a plate contrasts with the color of the food

each restaurant visit you make is worth a constant fraction of the last one.

decision fatigue, and ego depletion.

One group of students saw the slogan “Live the healthy way, eat five fruits and veggies a day.” Another group saw “Each and every dining-hall tray needs five fruits and veggies a day.” Both slogans encouraged people to eat fruits and vegetables, but the tray slogan did so using a trigger. The students lived on campus, and many of them ate in dining

Our old friend—Eat Less, Move More. Not too bright, but as familiar as an old blanket. There were classroom-based programs, newsletters for parents, social marketing (branding, posters, in-school announcements), student events and incentives (T-shirts, water bottles). Both groups began with roughly 50 percent of the students considered overweight o