Why is PSI so elusive? A review and proposed model
Journal of Parapsychology, The, Sept, 2001 by J.E. Kennedy
Opposing Arguments
The steadily accumulating evidence for psi as indicated by meta-analyses suggests that the traditional working assumption that psi ability is widely distributed is valid (Radin, 1997). Parapsychology started by looking for participants with special abilities but moved beyond that when psi was demonstrated with a wide variety of participants and settings (J. B. Rhine & Associates, 1965). Even if psi ability is present for only a minority of people, there are still large numbers of people with psi ability.
Conclusion
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Although psi ability may not be distributed as widely as often assumed in parapsychology, people with psi cannot be considered rare. There are clearly substantial individual differences in the occurrence of psi. The distribution of psi may be a contributing factor, but other factors appear to have a larger role in causing the elusive nature of psi.
HYPOTHESIS 3. PSI DEPENDS ON SPECIAL PSYCHOLOGICAL CONDITIONS OR STATES OF CONSCIOUSNESS THAT ARE PRECARIOUS
The traditional model for parapsychology is that psi is an unconscious process that has delicate and precarious links to human volition and conscious awareness (J. B. Rhine & Pratt, 1957). Special psychological conditions are necessary for psi to be guided by human intention or to have the unconscious psi information mediated into conscious awareness. In recent years, a more general model has been common, which views psi as a weak signal embedded in other cognitive activity (e.g., Bem & Honorton, 1994). The task for research is to find conditions that provide a more favorable signal-to-noise ratio.
Supporting Arguments
Throughout the history of experimental psi research, successful experimenters have consistently described certain conditions as being important for obtaining significant results (J. B. Rhine, 1934/1973; J. B. Rhine & Pratt, 1957; Targ, Braud, Stanford, Schlitz, & Honorton, 1991). These conditions include (a) high motivation, enthusiasm, and expectations by participants and experimenters; (b) attention to the task without distraction or boredom; and (c) an atmosphere of spontaneity. Some of the best results have occurred when the experimenters and participants were convinced that they were working together on research that was profoundly important for science and humanity.
It is difficult and precarious to maintain these psychological conditions during sustained research.
The hypothesis that altered states of consciousness can facilitate conscious awareness of psi information has a long history (Alvarado, 1998). Successful research with internal states of consciousness supports this view (Honorton, 1977). In particular, the ganzfeld procedure is a highly successful line of research (Bern & Honorton, 1994). Also, many experiments indicate that hypnosis is more psi-conducive than the normal waking state (Honorton, 1977).
Opposing Arguments
After 70 years of research looking for psi-conducive conditions, there is no evidence that psi can be demonstrated now more reliably than when this effort began. A review of well-controlled card experiments in the 1930s found that 27 of 33 (82%) were statistically significant (Honorton, 1975). For comparison, for the first ganzfeld studies, 23 of 42 (55%) were significant (from Honorton, as reported in Hyman, 1985, p. 5), and for the first remote viewing studies, 15 of 28 (54%) were significant (Hansen, Schlitz, & Tart, 1984).