A double-blind test of astrology


Two double-blind tests were made of the thesis that astrological ‘natal charts’ can be used to describe accurately personality traits of test subjects.

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    Manual for CPI (Consulting Psychologists Press: Palo Alto, 1957).

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    Advances in Psychological Assessment Vol. 1, (ed. McReynolds, P.) (Science and Behavior Books, Palo Alto, 1968).

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    The CPI Handbook (Jossey-Bass, San Francisco, 1972).

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Author information


  1. Department of Physics, University of California, Berkeley, California 94720, USA. Present address: Department of Physics, University of California, Los Angeles. Address for correspondence: Bldg 50, Rm 348, Lawrence Berkeley Labs, Berkeley, California 94720, USA.

    • Shawn Carlson


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