×
Please click
here
if you are not redirected within a few seconds.
All
Images
Shopping
Videos
Maps
News
Books
Search tools
Any time
Any time
Past hour
Past 24 hours
Past week
Past month
Past year
All results
All results
Verbatim
Zener cards
Zener cards are cards used to conduct experiments for extrasensory perception. Perceptual psychologist Karl Zener designed the cards in the early 1930s for experiments conducted with his colleague, parapsychologist J. B. Rhine.
Wikipedia