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, ...

Anyone who’s read my stuff with any regularity is acutely aware of my disdain for the way many observational studies are conducted and interpreted in health and nutrition research, as well as my ...

Data collection is sometimes performed without considering the effect poorly collected data has in the strength of statistical conclusions. When researchers properly design an experiment, they are ...

The White House’s Social Innovation Fund, which will support intermediary grant-making institutions that “identify and invest in promising organizations to help them build their evidence-base and ...

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 ...