Geoffrey Dean and Ivan W. Kelly. "Is Astrology Relevant to Consciousness and Psi?" Journal of Consciousness Studies, 10, No. 6–7, 2003, pp. 175–198 (Webside ikke længere tilgængelig) Citat: "...Conclusion...Our concern in this article has been to measure the performance of astrology and astrologers...Consequently, if astrologers could perform better than chance, this might support their claim that reading specifics from birth charts depends on psychic ability and a transcendent reality related to consciousness. But tests incomparably more powerful than those available to the ancients have failed to find effect sizes beyond those due to non-astrological factors such as statistical artifacts and inferential biases. The possibility that astrology might be relevant to consciousness and psi is not denied, but if psychic or spirit influences exist in astrology, they would seem to be very weak or very rare. Support for psychic claims seems unlikely..."
