The double-blind experimental protocol used in this study was agreed upon by a group of physicists and a group of astrologers nominated by the National Council for Geocosmic Research, who advised the experimenters, helped ensure that the test was fair and helped draw the central proposition of natal astrology to be tested.
This study employed a double-blind experimental protocol, guided by a group of physicists and astrologers from the National Council for Geocosmic Research, who ensured fairness and helped formulate the central hypothesis of natal astrology.