# Semmelweis Reflex - mental bias Rejecting evidence that contradicts tribes norms. Semmelweis was the doctor who suggested that doctors were killing their patients by not washing their hands. ## Related * [[Load Bearing Fiction]] mean that this reflex is actually useful sometimes * Related to [[Oleg K rant about trust]] <!-- #mental-model --> [Web URL for this note](http://notes.benjaminreinhardt.com/Semmelweis+Reflex+-+mental+bias) [Comment on this note](http://via.hypothes.is/http://notes.benjaminreinhardt.com/Semmelweis+Reflex+-+mental+bias)