A new statistical tool can help researchers get meaningful results when a randomized experiment, considered the gold standard, is not possible. A new statistical tool can help researchers get ...

Dean Yang is a professor in the Department of Economics and the Ford School of Public Policy at the University of Michigan. Dean’s doctoral research was based on a natural experiment: variation in ...

Randomized experiments have long been a cornerstone of scientific research. And many tech companies run randomized tests to learn from the huge amounts of data their customers generate. In 2019, ...

The number-one job of a marketer is to invest budget wisely to drive sales. That inherently requires accurately measuring the performance of that spending. Yet most advertisers still rely on flawed ...

Randomized controlled trials (RCTs; sometimes referred to as A/B tests) are considered the gold standard for evidence in science and medicine. If you took anything away from your Research Methods 101 ...

Clinical trials are most commonly associated with drugs and devices, but there are notable examples of trials that involve health policy. Many such trials test innovations in the delivery of services, ...

Economics often borrows ideas from the sciences, yet unlike physics or chemistry, no country has ever run a controlled, pure economic experiment on a national scale. A pure experiment requires ...