As the federal government plans to improve nutrition in school lunchrooms, it's important to look at what works, and what doesn't, says Brian Wansink of Cornell, the plenary speaker for the SPSP 2012 annual meeting. Choice is important to children, and having the ability to choose can have profound effects on behavior. For example, Wansink's team's research at Cornell shows that when given the choice of either carrots or celery, 89% of children will choose and eat carrots. But if kids are instead given only carrots without a choice, just 69% will eat them. Instead of taking away choice, a better solution is to guide a child's choice. Read more in his co-authored Op-ed with David R. Just in today's Los Angeles Times.