In order to make smart decisions at work, we need data. Where that data comes from and how we analyze it depends on a lot of factors — for example, what we’re trying to do with the results, how ...

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, ...

Does generative artificial intelligence (AI) reinforce or reduce productivity differences across workers? Existing evidence largely studies AI within firms and occupations, where organizational ...

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 ...

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 ...

Assuming that a criminal justice program is evaluable and animpact evaluation is feasible, an appropriate research design must be developed. The basic idea of an impact evaluation is simple. Program ...

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, ...