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Monday, April 30, 2012

Informal fallacy: Anecdotal Fallacy


 Anecdotal Fallacy

definition of Anecdote: (based on anecdotes or hearsay: consisting of or based on secondhand accounts rather than firsthand knowledge or experience or scientific investigation)

This fallacy occurs when, despite the evidence, we put more attention to the claim of one person or a group that is contrary to the laws of probability or even common sense.

Example:

Antonio Danono had researched the purchase of a Volvo and found multiple studies that agreed that this was a sound automobile to purchase. Just before he was to go to the lot to buy the Volvo, he decided to tell a friend of his decision. The friend immediately dismisses the idea of the Volvo by saying he knows how much trouble his friend had with a Volvo… “He had trouble with the electrical, he was always in the shop, then the engine, etc.  On this one story only, Antonio decides that buying a Volvo is a bad idea and buys something else.

Example II:

Zulio Hanselvontruffenstauffen was approached by a sales agent about purchasing airline insurance that will pay for survival benefits should the plane crash. The sales person, stressing how important it is that Zulio’s family be compensated, pushed the issue. So Zulio purchased the insurance even though he knew that statistics of planes crashing are rare and all the folks that have purchased insurance have not had one incident of payouts because the planes they were on did not crash.



The point to make on this fallacy is that occurs because someone currently, present and in our face, with little reason or evidence (emotive or sensational), or a group with the same illogic, effects our psyche in such a way that we throw away good reason for the anecdotal. It appears that what is sometimes current, regardless of validity, becomes bigger and more powerful in our minds than the past and more researched.

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