Online Reference For Body, Mind & Spirit

Term: Open Deck

DEFINITION:

A series of cards used in ESP testing where a subject tries to determine or “guesses” a card being viewed by a tester or predicts the next card. With an open deck any particular card may be drawn at any time, leading to multiple appearances of some cards, few appearances of others, and possibly some cards not appearing at all. Statistical analysis of tests run using an open deck uses different protocols than testing using a closed deck. (See “Closed Deck.”)