A rumor or rumour (see spelling differences) is "a tall tale of explanations of events circulating from person to person and pertaining to an object, event, or issue in public concern". However, a review of the research on rumor conducted by Pendleton in 1998 found that research across sociology, psychology, and communication studies had widely varying definitions of rumor.In the social sciences, a rumor involves some kind of a statement whose veracity is not quickly or ever confirmed.