English
Etymology
Named after psychologist w:Karl Zener|Karl Zener.
Category:English eponyms
Noun
Zener cards pluralcategory:English nouns
#A set of twenty-five cards, each featuring one of five symbols (circle, plus sign, square, star, wavy lines), used by researchers to test claims of ESP or remote viewing.
See also
w:Zener card|Wikipedia article on Zener cards
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