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Research lies in decision-making, is based on empirical research and mathematical modeling and has many real world applications. She has introduced the ideas of domain-specific risk and single-action bias; introduced the role of feelings in risky decision making; used risk judgments to disentangle individual differences in risk perception from differences in risk preference and using this to understand cultural differences in risk taking; developed Query Theory (QT) in which options are evaluated by sequential queries of relevant knowledge, and applied QT to environmental decisions to reveal a mechanism for choice defaults and status quo bias.