Fast food chains are not exactly renowned for encouraging healthy eating. But in a new study a team of psychologists, eager to turn that assumption on its head, chose McDonald’s as their target for a somewhat unconventional, psychologically-informed health intervention. Writing in Psychology & Marketing, the researchers report successfully “nudging” a group of Coca-Cola-guzzling customers into opting for its sugar-free counterpart, Coke Zero — simply by changing the order of options on the menu. Continue reading →