In the field of social psychology, a breaching experiment is an experiment that seeks to examine people’s reactions to violations of commonly accepted social rules or norms. Breaching experiments are most commonly associated with ethnomethodology (the study of the everyday methods people use for the production of social order), and in particular the work of Harold Garfinkel. The conduct of a breaching experiment is sometimes referred to as ‘Garfinkeling.’ A famous breaching experiment was conducted on the New York City subway in the 1970s, when experimenters boarded crowded trains and asked able-bodied but seated riders, with no explanation, to give up their seats. Reportedly, the experimenters themselves were deeply troubled by being involved in such a seemingly minor violation of a social norm. The experiment was supervised by American psychologist Stanley Milgram.
Erving Goffman’s seminal study ‘Behavior in Public Places’ gives some classic examples of behavioral norms, such as ‘it is inconsiderate to litter – put your garbage in the trash can.’ A breaching experiment studies people’s reaction to an experimenter who breaks this kind of small, everyday rule. The strength of the reaction is taken as an indication of the strength of the rule. ‘The inexplicable do-gooder’: Social science researcher Earl R. Babbie writes that ‘it is a social rule that ordinary citizens should not pick up garbage from the street, or mend street signs, or otherwise fix problems.’ Babbie claims that people have negative reactions when they see somebody fixing something that is not his/her ‘job’ to fix; in some cases, altruistic actions are viewed as personal intrusions.
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