Personal persuasion that is supplied by what a group believes to be "normal" or within "norms." In Victorian England, for example, normative social influence routinely kept unmarried people from fornication.
This refers to the way in which a society's norms for behavior are instilled in members of that society. Things like peer pressure and media images relay norms about how to behave in a way society finds acceptable. Media images often show "norms" for how people should look and act.
