To investigate this we ran a management field experiment on large Indian textile firms.

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But if history is any guide, foreign policy as a political-science field experiment or what-me-worryism will yield some ugly results.

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Because a field trial with a genetically engineered plant may be 10 to 20 times more expensive than the same experiment performed with a plant that has identical properties but that was modified with less precise genetic techniques, genetic engineering with the best techniques has been vastly under-used for the past 25 years.

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As with the field experiment, some participants were placed in a control group, others engaged in activities that stressed individuality (creating personalized nametags, for example), and some focused on the identity of the organization (such as creating a logo for the research lab).

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This experiment is one of a series of studies in the growing field of neuroeconomics, which investigates how people calculate risks and rewards.

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The field then suffered a major setback when an Arizona teenager died in a gene therapy experiment in 1999 and two French boys with SCID developed leukemia in 2002.

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