A Meta-Analytic Comparison of the Sensitivity of Direct Hits and Sums of Ranks as Outcome Measures for Free-Response Studies

For years, researchers have been applying a variety of statistics to obtain outcome measures for free-response extrasensory perception studies without knowing which measure is the most sensitive. Recently the choice has tended to be between direct hits and sums of ranks, with direct hits the most po...

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Bibliographic Details
Published in:The Journal of parapsychology 1997-09, Vol.61 (3), p.227
Main Author: Milton, Julie
Format: Article
Language:English
Subjects:
ESP
Extrasensory perception
Parapsychology
Online Access:Get full text
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Summary:For years, researchers have been applying a variety of statistics to obtain outcome measures for free-response extrasensory perception studies without knowing which measure is the most sensitive. Recently the choice has tended to be between direct hits and sums of ranks, with direct hits the most popular. However, according to different theoretical models of psi functioning and of judging practices, either measure could be superior.
ISSN:0022-3387