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Encyclopedia > Forer effect
Many skeptics believe the popularity of horoscopes (and astrology in general) is due to the Forer Effect.

The Forer effect (also called personal validation fallacy or the Barnum effect after P. T. Barnum) is the observation that individuals will give high accuracy ratings to descriptions of their personality that supposedly are tailored specifically for them, but are in fact vague and general enough to apply to a wide range of people. The Forer effect can provide a partial explanation for the widespread acceptance of some pseudosciences such as astrology and fortune telling, as well as many types of personality tests. Image File history File links Astro_signs. ... Image File history File links Astro_signs. ... In astrology, a horoscope is a chart or diagram representing the positions of the planets and other celestial bodies at the time of any moment in time or any event, such as a persons birth. ... Hand-coloured version of the anonymous Flammarion woodcut. ... Phineas Taylor Barnum Phineas Taylor Barnum by Mathew Brady 1856 newspaper advertisement for Barnums American Museum Parody of Jenny Linds first American tour for P.T. Barnum, New York City, October 1850 Wikiquote has a collection of quotations related to: P. T. Barnum Phineas Taylor Barnum (July 5... to: Personality is to stop coping with lifes hard accomplishments. ... Phrenology is regarded today as a classic example of pseudoscience. ... Hand-coloured version of the anonymous Flammarion woodcut. ... Fortune teller redirects here. ... A personality test aims to describe aspects of a persons character that remain stable across situations. ...

Contents

Forer's demonstration

In 1948, psychologist Bertram R. Forer gave a personality test to his students, and then gave them a personality analysis supposedly based on the test's results. He invited each of them to rate the analysis on a scale of 0 (very poor) to 5 (excellent) as it applied to themselves: the average was 4.26. He then revealed that each student had been given the same analysis: A psychologist is a scientist and/or clinician who studies psychology, the systematic investigation of the human mind, including behavior and cognition. ... Bertram R. Forer (24 October 1914—6 April 2000) was an American psychologist best known for describing the Forer effect, also known as subjective validation. ... This article or section does not adequately cite its references or sources. ...

You have a need for other people to like and admire you, and yet you tend to be critical of yourself. While you have some personality weaknesses you are generally able to compensate for them. You have considerable unused capacity that you have not turned to your advantage. Disciplined and self-controlled on the outside, you tend to be worrisome and insecure on the inside. At times you have serious doubts as to whether you have made the right decision or done the right thing. You prefer a certain amount of change and variety and become dissatisfied when hemmed in by restrictions and limitations. You also pride yourself as an independent thinker; and do not accept others' statements without satisfactory proof. But you have found it unwise to be too frank in revealing yourself to others. At times you are extroverted, affable, and sociable, while at other times you are introverted, wary, and reserved. Some of your aspirations tend to be rather unrealistic.

Forer had assembled this text from horoscopes. A horoscope calculated for January 1, 2000 at 12:01:00 A.M. Eastern Standard Time in New York City, New York, USA (Longitude: 074W0023 - Latitude: 40N4251). In astrology, a horoscope is a chart or diagram representing the positions of the Sun, Moon, and planets, the astrological aspects...


Horoscopes

Skeptics of astrology claim that the Forer effect explains the popularity and perceived predictive powers of horoscopes. Hand-coloured version of the anonymous Flammarion woodcut. ... A horoscope calculated for January 1, 2000 at 12:01:00 A.M. Eastern Standard Time in New York City, New York, USA (Longitude: 074W0023 - Latitude: 40N4251). In astrology, a horoscope is a chart or diagram representing the positions of the Sun, Moon, and planets, the astrological aspects...


Variables influencing the effect

Later studies have found that subjects give higher accuracy ratings if the following are true

  • the subject believes that the analysis applies only to them
  • the subject believes in the authority of the evaluator
  • the analysis lists mainly positive traits

See (Dickson and Kelly 1985) for a review of the literature.


See also

Cognitive bias is distortion in the way humans perceive reality (see also cognitive distortion). ... For the theatrical training technique, see Cold reading (theatrical). ...

References

  • Forer, B. R. (1949). The fallacy of personal validation: A classroom demonstration of gullibility. Journal of Abnormal and Social Psychology, 44, 118-123.
  • Dickson, D. H. and Kelly, I. W. (1985). The 'Barnum Effect' in Personality Assessment: A Review of the Literature. Psychological Reports, 57, 367-382.

External links


  Results from FactBites:
 
Forer effect (1216 words)
The Forer effect refers to the tendency of people to rate sets of statements as highly accurate for them personally even though the statements could apply to many people.
Forer gave a personality test to his students, ignored their answers, and gave each student the above evaluation.
The most common explanations given to account for the Forer effect are in terms of hope, wishful thinking, vanity and the tendency to try to make sense out of experience, though Forer's own explanation was in terms of human gullibility.
  More results at FactBites »


 

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