Thomas D. Cook, a professor of sociology, psychology, education, and social policy at Northwestern University, criticizes education researchers’ reluctance to perform randomized experiments. He points ...

Proceedings of the National Academy of Sciences of the United States of America, Vol. 113, No. 27 (July 5, 2016), pp. 7383-7390 (8 pages) We provide a principled way for investigators to analyze ...

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 ...

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 ...

In 1997, the Mexican government launched a bold anti-poverty experiment in seven poor, rural states. The government’s idea was to give cash payments to mothers who met two key conditions: They had to ...