… or, How to Love the Null Hypothesis First, bear with me for an important definition.  “Meta” used as a prefix, has come to mean self-reference, or “an X about X”.  For example, meta-analysis is an analysis of other analyses.  If you are arguing with your boyfriend about how unfairly he argues, you’re having a meta-argument, an argument about other arguments.  You with me? I usually write about a current study in the medical literature, but this week I’m writing about a researcher, John Ioann...