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Type: Journal article
Title: A meta-analysis with nothing to hide: Reply to Hyman (2010)
Author: Storm, L.
Tressoldi, P.
Di Risio, L.
Citation: Psychological Bulletin, 2010; 136(4):491-494
Publisher: Amer Psychological Assoc
Issue Date: 2010
ISSN: 0033-2909
Statement of
Lance Storm, Patrizio E. Tressoldi, Lorenzo Di Risio
Abstract: In our article (Storm, Tressoldi, & Di Risio, 2010), we claimed that the ganzfeld experimental design has proved to be consistent and reliable. However, Hyman (2010) argues that the overall evidence for psi is, in fact, contradictory and elusive. We present a case for psi research that undermines Hyman’s argument. First, we give examples from parapsychologists who do not outrightly dismiss psi, despite appearances, but actually support it. Second, we claim that Hyman does not tell the full story about the ganzfeld meta-analytic findings and thus presents a one-sided account. Third, we argue that our meta-analysis has followed standard procedures, that we have not broken any rules but have found a communications anomaly, often referred to as psi. Though we may be in agreement that the evidence is largely statistical, the evidence suggests that concealed targets are actually identified rather than guessed. We argue that further research is necessary.
Keywords: ESP; free response; ganzfeld; meta-analysis; psi; noise reduction model; parapsychology
Rights: © 2010 American Psychological Association
RMID: 0020100260
DOI: 10.1037/a0019840
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Appears in Collections:Psychology publications

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