role played by minority influence may be limited since minorities rarely bring about social chage quickly. strong tendency for humans to conform to the majorty position, people are more likely to maintain the status quo.
Being perceived as 'deviant' limits the influence of minorities
members of the majority may avoid aligning themselves with the minority position because they do not want to be seen as deviant themselves. message of minority would have little impact as the majority are more concerned about the source of the message rather than the message itself.
boomerang effect - the widespread nature of social norms interventions mean those whose behaviour is more desirable are also exposed. This means that even though the approach aims to improve behaviour these individuals can sometimes engage in less desirable behaviour.
