Zener Cards

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Zener cards, a measurable, unambiguous way of testing for ESP. Courtesy Fortean Picture Library.

Zener Cards

(religion, spiritualism, and occult)

Zener cards are a deck of twenty-five cards designed in the 1930s by Dr. Karl E. Zener, an associate of Dr. Joseph Banks Rhine. They are used in testing for extrasensory perception and are sometimes referred to simply as “ESP cards.” The deck includes five each of five different designs: a circle, a cross, three wavy lines, a square, and a star.

The procedure as originally used by Rhine was to have a subject guess the sequence of the symbols in the deck, after it had been well shuffled to ensure a random order. The expected average of correct guesses was five. This is known as the “mean chance expectation,” or MCE. The point of the experiment is to see if the subject can guess significantly higher, or significantly lower, than the MCE.

Sources:

Broughton, Richard S.: Parapsychology: The Controversial Science. New York: Ballantine, 1991
Buckland, Raymond: The Fortune–Telling Book: The Encyclopedia of Divination and Soothsaying. Detroit: Visible Ink Press, 2004
Guiley, Rosemary Ellen: Harper’s Encyclopedia of Mystical & Paranormal Experience. San Francisco: Harper SanFrancisco, 1991
References in periodicals archive ?
Authors during the 1980s focused on Rhine's Zener card research.
Rhine's Zener cards declined during the 1990s but became a focus of skeptical comments in the 2002 sample.
In the present study, to explore extended displacement patterns, a 25 x 25 matrix of correspondences between the subject's guesses and the corresponding symbols in one deck of Zener card targets was constructed.
The book divides its "thought-experiments" into sections based on shapes from an extrasensory perception test known as Zener cards. The circle is "Concerned with consciousness, enclosed spaces, negation"; the plus sign with beauty, sadness, sleep; the square with haunting, the afterlife, being a ghost; and the star with interpersonal communication, empty spaces, the future.
For the three-number lock, Zener cards (used in laboratories to test for psychic abilities) were shuffled and distributed on tables throughout the room.
He said Mitchell transmitted the symbols in the Zener cards that were used by Dr.
Feather still remembers Leila, a first grader, who correctly identified 24 out of 25 Zener cards, a display of ESP she has never seen before or since.
Rhine was interested in whether or not a receiver could discern the face of special cards known as Zener cards when a person (sender) drew one at random from a well shuffled stack.
When I asked what the message was, Jonsson told me it contained the five symbols of the Zener Cards used by Dr.
The basic question underlying the present study is whether the psychodynamic lawfulness observed in spontaneous cases could be used to predict response patterns of traumatically sensitized individuals in a restricted-choice ESP task, in which emotionally charged targets (12 different pictures) are randomly dispersed among 100 (neutral) Zener cards in an open deck.
Twelve participants were asked to guess the top-down sequence of symbols in an open deck of 100 Zener cards. These "cards" were represented by 100 random numbers from 1 to 5, which had been generated by a pseudo-random number generator (RNG) some days before.
Although an early publisher of one set of Zener cards did use inadequate material, this deck was not used in Rhine's research program.) The authors critically discuss Schmeidler's "sheep-goat effect" but fail to review meta-analyses pertaining to this hypothesis (p.