#zener_cards
Zener cards
Cards used to test a subject's level of extra sensory perception
Zener cards are cards used to conduct experiments for extrasensory perception (ESP). Perceptual psychologist Karl Zener (1903–1964) designed the cards in the early 1930s for experiments conducted with his colleague, parapsychologist J. B. Rhine (1895–1980).
Wed 14th
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