Books et al.Social Science

In vivo we trust

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Science  27 Jul 2018:
Vol. 361, Issue 6400, pp. 339
DOI: 10.1126/science.aau2825

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Social scientists once restricted their research to carefully controlled laboratory experiments. Over the past 25 years, however, they have increasingly made use of field experiments. Insights gained have spanned nearly every imaginable segment of our society, lending tests of theory, advice to policymakers, and guidance to nonprofit and for-profit firms alike. In his new book, Randomistas, Andrew Leigh takes stock of a slice of this research in an even-tempered, scientific, and accessible way.