Offering FREE Online Parapsychology Education for the EXCEPTIONAL

Zener Cards

Zener Cards: The original name given to the ESP cards; named after the perceptual psychologist Karl Zener, a colleague of Rhineā€™s, who apparently suggested the symbols to be used on the cards (circle, cross, square, star, and wavy lines).


  1. Parapsychology by Michael A. Thalbourne, Republished by Puente Publications, Charlottesville, VA, USA, 2003