Argument by anecdote is when you prove a point with a story. It is a very compelling argument, because people like stories about other people more than they like cold, hard facts. Too often, though, the argument by anecdote is used when the facts are stacked heavily against a position. If you don’t have the facts, tell a story. People will believe the anecdote because it demonstrates what they themselves believe to be true. That’s why you’ll find more arguments by anecdotes proffered by those on the losing end of the “facts” battle.
Taken from Jampole Communications