A while back, somebody was lamenting the fact the scientists just don't take astrology seriously, so they never do any studies to find out if it works. Aside from the fact that nothing is keeping the astrologers from doing such studies, I posted a reply stating that plenty of research had been done, and the results were negative. References were then requested.
Most of these references are "second hand" in that I haven't read the actual papers, only summaries in other books and magazine articles. If I have misrepresented either the protocol or results of any of the following, feel free to correct me.
Gauquelin, M.
Zodiac and Personality: An Empirical Study
Skeptical Inquirer, 6:3, 57 1982
Compiled personality profiles from biographies of 2000 sports figures, actors, scientists, and writers. Compared these profiles with personality traits associated with the sign of the sun, moon, and ascendant according to eight astrology texts. No correlation was found using either the sidereal or tropical zodiac.
Press, N., Michelsen, N.F., Russel, L., Shannon, J., Stark, M.
The New Yourk Suicide Study
Journal of Geocosmic Research, 2, 23-47 1978
Examined records of suicides in NYC from 1969 to 1973. Selected all suicides who were born in NYC and for which birth data was available. This resulted in 311 suicide cases. For each of these, a control subject was randomly chosen who was born in the same borough and year. The suicides and matching controls were divide into three groups according to year of suicide. A computer program was used to test 100,000 different astrological fctors in each of the 622 birth charts for significance between suicide and control groups. None of the factors consistently correlated with the suicide cases.
Culver, R.
Sun Sign Sunset
Pachert 1979
Van Deusen, E.
Astrogenetics
Doubleday 1976
Culver, R., Ianna, P.
Astronomy Quarterly, 1, 147 1977
The above three references examined the correlation between sun sign and over 60 occupations. The results of all three were negative -- no correlation was found between occupation and sun sign.
Dean G., Mather, A.
Recent Advances in Natal Astrology p113
The Astrological Association 1977
Silverman, B., Witmer, M.
Astrological Indicators of Personality
Journal of Psychology, 87, 89 1974
Per Dalen,
Season of Birth
American Elsevier Publishing 1975
Pellegrini, R.,
The Astrological Theory of Personality
Journal of Psychology, 85, 21 1973
The above 4 references all found no correlation between sun sign and personality traits as measured by standardized psychological tests, mostly the California Personality Inventory (CPI). However, Pellegrini found a slight correlation between the CPI femininity index and season of birth.
Illingworth, D., Syme, G.
Birthday and Femininity
Journal of Social Psychology, 103, 153 1977
Tyson, G.
Astrology or Season of Birth: A 'Split-Sphere' Test
Journal of Psychology, 95, 285 1977
These two studies found no correlation between sun sign and personality traits measured by the CPI, including the femininity index.
Mayes, B., Klugh, H.
Birthdate Psychology: A Look at Some New Data
Journal of Psychology 99, 27 1978
Compiled natal charts and results of Minnesota Multiphasic Personality Inventory and the Leary Interpersonal Check List for 196 subjects. Compared 13 personality traits with sun signs, signs and houses of the moon and 8 planets, and with five planetary aspects. No correlations were found.
Mayo, J., White, O., Eysenck, H.
An Empirical Study of the Relation between Astrology Factors and Personality
Journal of Clinical Psychology, 105, 229 1979
Jackson, M.
Extroversion, Neuroticism, and Date of Birth: A Southern Hemisphere Study
Journal of Psychology, 101, 197 1979
These two studies found correlations between astrological factors and the Introversion/Extroversion index of the Eysenck Personality Inventory.
Veno, A., Pammunt, P.
Astrological Factors and Personality: a Southern Hemisphere Replication
Journal of Psychology, 101, 73 1979
Failed to duplicate the correlation found above.
Pawlik, K., Buse, L.,
Self-attribution as a Differential Psychological Moderating Variable Zeitschrift fur Sozilpsychologie, 10, 54 1979
Showed that the correlation above could be explained by the fact that some of the subjects knew what the expected results would be for their astrological signs.
Eysenck, H.,
Astrology: Science or Superstition?
Encounter, Dec 1979, p85
Jackson, M., Fiebert, M. S.
Introversion-Extroversion and Astrology
Journal of Psychology, 105, 155 1980
Saklofske, D., Kelly, I., McKerracher, D.
An Empirical Study of Personality and Astrological Factors
Journal of Psychology, 110, 275 1982
These three studies found no correlation between astrological factors (sun and planetary) and personality, including the introversion/extroversion index of the Eysenck Personality Inventory.
Culver, R., Ianna, P.
Astrology: True or False, p215
Prometheus 1988
A double blind test of astrologer John McCall was organized at the University of Virginia by Charles Tolvert and Philip Ianna. McCall claimed an 80 percent success rate in choosing the correct natal horoscope for a subject from three false ones. Twenty-eight subjects were chosen according to McCalls requirements (naturally born caucasians). McCall had 7 successes out of 28 trials, exactly the number predicted by chance.
Silverman, Bernie I.,
Contemporary Astronomy by J. Pasachoff, cf p437
W. B. Saunders 1977
Kop, P., Heuts, B.
Journal of Interdisciplenary Cycle Research 5, 19 1974
The above 2 studies found no correlation between marriage/divorce rate and sun sign combinations in the state of Michigan and the city of Amsterdam, respectively.
John McGervey
Physicist
Case Western Reserve University
Found that the sun signs of 6,000 politicians and 10,000 scientists were randomly distributed.
Shawn Carlson
A Double-blind Test of Astrology
Nature, 318, 419 1985
116 adults filled out California Personality Index surveys and provided natal data. One set of natal data and the results of three personality surveys (one of which was for the same person as the natal data) were given to an astrologer who was to interpret the natal data and determine which of the three CPI results belonged to the same subject as the natal data.
The San Francisco chapter of the National Council for Geocosmic Research recommended the 28 astrologers who took part. They approved the procedure in advance and predicted that they would select the correct CPI profiles in more that 50 per cent of the trials. Out of 116 trials, the astrologers chose the correct CPI 34 per cent of the time. This agrees with the random chance prediction of 1 of 3 trails producing a correct choice.
Horoscopes were prepared by professional astronomers for 83 subjects. Each subject was given three charts, one of which belonged to the subject. In 28 of 83 trials the subject chose the correct chart. This is the success rate expected for random chance.
Dean, Geoffrey
(unable to find specific reference)
Astrological readings were done for a groups of subjects. The content of some of the readings were reversed (changed phrases describing the subject to their opposites). Subjects reported that both the reversed and normal readings applied 95 per cent of the time.
Gauquelin, M.
L'Influence des Astres, Etude Critique et Experimentale
Dauphin Press 1955
Found no correlation between occupation and the zodiac signs containing Mercury, Venus, Mars, Jupiter, Saturn, and the Moon at the time of birth.
Gauquelin, M.
The Cosmic Clocks, p84
Henry Regnery Co. 1967
Found random distribution of the house containing Saturn for successful individuals, and the house containing Mars for murderers.
Barth, J., Bennet, J.
Leonardo 7, 235 1974
Found no correlation between occupation, medical problems, height, longevity, and the zodiac signs containing Mercury, Venus, Mars, and Jupiter at the time of birth.
Culver, R., Ianna, P.
Astronomy Quarterly, 1, 85 1977
Pretty much the same study and results as the previous reference. Additionally, no correlation was found between occupation, medical problems, etc. and angular separation (along the ecliptic) of planet pairs at time of birth.
Dean, G.
Does Astrology Need to be True? Part 1: A Look at the Real Thing
Skeptical Inquirer, 11, 166 1987
Astrologers prepared horoscopes for subjects correct natal data. Reversed charts were then constructed from the correct charts by retaining the sun sign, but reversing all of the planetary aspects. Half of the subjects were given correct charts, the other half were given reversed charts. There was no correlation between the perceived accuracy of the charts and whether the subject was given a correct or reversed chart.
Dwyer T.
Unpublished word described in Dean, 1987.
Horoscopes were prepared for correct natal data and for a birth date 5 years and 6 months before the correct date, with the correct sun sign retained. Thirty subjects were given the correct and incorrect charts. Half of the subjects picked the correct chart, half chose the incorrect chart.
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Newsgroups: sci.skeptic
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Subject: Astrology References
Date: Mon, 30 Nov 1992 03:51:26 GMT
