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
