CONFLICT OF INTEREST STATEMENT The authors declare that they have no known competing financial interests or personal relationships that could be perceived as influencing the work reported in this paper. REFERENCES 2012. “Ambiguity Aversion in Multi-Armed Bandit Problems.” Theory and Decision 72(1): 15–33. , , , , , and . 2006. “Farm Worker Exposure to Pesticides: Methodological Issues for the Collection of Comparable Data.” Environmental Health Perspectives 114: 923–928. , , , , and . 2010.