In this post, I try to explain the importance of random sampling; in my next post, I will explore random assignment. Let me use an (oversimplified) example: Suppose there are 2 million Americans ...

Random assignment is discussed.If our random sample (10,000 people diagnosed with COVID-19) took hydroxychloroquine and most recovered in a couple of weeks and only 5% needed to be hospitalized ...

This paper uses random assignment in professional golf tournaments to test for peer effects in the workplace. We find no evidence that playing partners' ability affects performance, contrary to recent ...