Predicting Replication of Published Studies

By Louisa Tran

The social and behavioral sciences, some say, have a “replication crisis.” When researchers attempt to reproduce results of published papers, sometimes the original conclusions do not hold up. Replication studies are conducted using the same methods and standards laid out in the published paper. They use new participants and often a larger sample size. Researchers…

On the Topic of Statistical Power

By Michael Gordon

It’s really easy not to find any mind-changing evidence… just don’t go looking for it. Cassie Kozyrkov When testing hypotheses, there are two types of errors one can make: finding a relationship where one does not exist (false positive), and finding no relationship where one does exist (false negative). Statistical power measures how hard you…