A double-blind test of astrology

  title={A double-blind test of astrology},
  author={Shawn Carlson},
  • S. Carlson
  • Published 1 December 1985
  • Psychology, Physics
  • Nature
Two double-blind tests were made of the thesis that astrological ‘natal charts’ can be used to describe accurately personality traits of test subjects. 
Support for Astrology from the Carlson Double-blind Experiment
The Carlson double-blind study, published in 1985 in Nature (one of the world’s leading scientific publications) has long been regarded as one of the most definitive indictments against astrology.
Astrology and the Scientific Method
Application of the scientific method leads to the rejection of the astrological hypothesis.
Science Versus the Stars: A Double-Blind Test of the Validity of the NEO Five-Factor Inventory and Computer-Generated Astrological Natal Charts
The authors asked 52 college students to identify their personality summaries by using a computer-generated astrological natal chart when presented with 1 true summary and 1 bogus one, and observed a P. T. Barnum effect in the accuracy ratings of both psychological andAstrological measures.
Why Astrology Doesn't Work
The survival and longevity of astrology has been dependent on an astrological community that will, under no circumstances, allow it to fail. Consequently, a large array of ad hoc hypotheses (escape
Appraisal of Shawn Carlson’s Renowned Astrology Tests
Shawn Carlson’s 1985 study, published in Nature, which ended with a devastating verdict of astrology, is scrutinized.  The design of Carlson’s study violated the demands of fairness and its mode of
A Scientific Inquiry Into the Validity of Astrology
Six expert astrologers independently attempted to match 23 astrological birth charts to the corresponding case files of 4 male and 19 female volunteers. Case files contained information on the
Heuristics and Biases: The Psychology of Intuitive Judgment
A review is presented of the book “Heuristics and Biases: The Psychology of Intuitive Judgment,” edited by Thomas Gilovich, Dale Griffin, and Daniel Kahneman.
A quantitative examination of ostensibly extrasensory experiences occurring spontaneously and in laboratory conditions
Copyright © and Moral Rights are retained by the author. A copy can be downloaded for personal non-commercial research or study, without prior permission or charge. This item cannot be reproduced or
Four Examples of Pseudoscience
A relevant issue in the philosophy of science is the demarcation problem: how to distinguish science from nonscience, and, more specifically, science from pseudoscience. Sometimes, the demarcation
Personality and Birth Date: Taurus, Year of the Ox, or Complete Bull?
Despite widespread cynicism, many people believe that astrology influences individual temperament or personality. The scientific literature on personality and astrological Sun sign published over the


The astrological "theory" of personality: an unbiased test by a biased observer.
The overall pattern of results was interpreted as showing no meaningful relationships between sun sign and scores on Communality, Socialization, and Flexibility, and all of the test statistics employed indicated a powerful effect on the Femininity scale.
Advances in Psychological Assessment
Introduction P. McReynolds, J.C. Rosen. Metaphors of Mind Underlying the Testing of Intelligence R.J. Sternberg. The Use of Structural Equation Modeling in Combining Data from Different Types of