Zener cards

From Fresh Dictionary

Contents 1 English 1.1 Etymology 1.2 Noun 1.3 See also

English

Etymology

Named after psychologist Karl Zener.

Noun

Zener cards plural

1. 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

• Wikipedia article on Zener cards