Positive deviance is a method that identifies uncommon but successful behaviors or strategies used by individuals within a community or organization that enable them to find better solutions to problems than their peers, despite facing similar constraints. It involves observing community members to identify "positive deviants" whose exceptional behaviors enable better outcomes, analyzing what exactly makes them successful, and sharing those insights with others to help solve community problems from within. Examples of positive deviance include Vietnamese families who fed their young children shrimp, crabs, and greens to prevent malnutrition, and Egyptian parents who fed a diet including eggs, beans, and vegetables contrary to custom. A positive deviant school integrated whole grains into its lunch menu despite barriers.