This one’s buggin me. We’re in a situation now with forking paths in applied-statistics-being-done-by-economists where we were, about ten years ago, in applied-statistics-being-done-by-psychologists. (I was going to use the terms “econometrics” and “psychometrics” here, but that’s not quite right, because I think these mistakes are mostly being made, by applied researchers in economics and psychology, …