I first published this post on the Clearer Thinking blog on December 19, 2022, and first cross-posted it to this site on January 21, 2023. You have probably heard the phrase "replication crisis." It refers to the grim fact that, in a number of fields of science, when researchers attempt to replicate previously published studies, they fairly often don't get the same results. The magnitude of the problem depends on the field, but in psychology, it seems that something like 40% of studies i...