Testing PSI & PSI missing

From: Skeptic | Date: January 1, 1999| Author: | Copyright information

WHEN INVESTIGATING group results of extrasensory performance, most researchers find chance results Kurtz, 1985, 508-9). However, a discrepancy exists, as some parapsyhologists consistently find results hat statistically vary from chance. Consistent variations above chance i.e., extrasensory perception) and below chance (i.e., psi-missing) are both interpreted as evidence of a psi mechanism (Rhine, 1952,91; Schmeidler, 1966, 387). Most skeptics believe this discrepancy exists not because of extrasensory influence, but because of poor experimental controls and/or improper randomization (Marks, ...

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