The ability to repeat a study and find the same results twice is a prerequisite for building scientific knowledge. Replication allows us to ensure empirical findings are reliable and refines our understanding of when a finding occurs. It may surprise you to learn, then, that scientists do not often conduct – much less publish – attempted replications of existing studies.
Journals prefer to publish novel, cutting-edge research. And professional advancement is determined by making new discoveries, not painstakingly confirming claims that are already on the books. As one of our colleagues recently put it, “Running replications is fine for other people, but I have better ways to spend my precious time.”
Once a paper appears in a peer-reviewed journal, it acquires a kind of magical, unassailable authority. News outlets, and sometimes even scientists themselves, will cite these findings without a trace of skepticism.… Read the rest