... organizing principles of statistics: bias, chance, and causation. Meta-analysis, Feinstein argues, ruins all this eort. It does so because it seeks to “convert existingthings into something better. ... studies. In other words, one tries to com-bine the results of many dierent studies into one summary measure. is is, to some extent,unavoidable in that clinicians and researchers need to try to ... wants to invite to dinner. If mainstream statistics is akin to democratic socialism, Bayesianism oen comesacross as something like a Trotskyist fringe group, acknowledged at times but rarely tolerated.Yet,...