Context-Dependence, Visibility, and Prediction Using State and Trait Individual Differences as Moderators of ESP in a Ganzfeld Environment
Author(s) / Creator(s)
Pérez-Navarro, José Miguel
Cox, Katharine
Abstract / Description
In this paper we present a method for participant classification, based on trait and state, in the experimental evaluation of ESP (extrasensory perception). We conducted three Ganzfeld experiments with a sample of 237 participants. In experiment I (N = 60) twenty participants ranked the target stimulus in the first position, achieving a non-significant rate of correct guesses of 33.3% (z = 1.48, p = .07, one tailed). In experiment II (N = 90) only 26.6% of the participants’ guesses were correct (z = .35, p = .36, one tailed). Weighting trials in the second experiment on the basis of the most successful predictors of the participants’ performance in the first experiment increased the rate of correct guesses from 26.6% to 36.4%. Results in a confirmatory experiment (N = 87) were not significant (32.7%, z = 1.32, p = .09, one tailed). However, overall results in this study were consistent with the effects sizes data reported in previous meta-analyses.
Keyword(s)
Ganzfeld sensory attenuation ESP parapsychology perceptionPersistent Identifier
Date of first publication
2012-11-30
Journal title
Europe's Journal of Psychology
Volume
8
Issue
4
Page numbers
559–572
Publisher
PsychOpen GOLD
Publication status
publishedVersion
Review status
peerReviewed
Is version of
Citation
Pérez-Navarro, J. M., & Cox, K. (2012). Context-Dependence, Visibility, and Prediction Using State and Trait Individual Differences as Moderators of ESP in a Ganzfeld Environment. Europe's Journal of Psychology, 8(4), 559–572. https://doi.org/10.5964/ejop.v8i4.507
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Author(s) / Creator(s)Pérez-Navarro, José Miguel
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Author(s) / Creator(s)Cox, Katharine
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PsychArchives acquisition timestamp2018-11-21T10:00:48Z
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Made available on2018-11-21T10:00:48Z
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Date of first publication2012-11-30
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Abstract / DescriptionIn this paper we present a method for participant classification, based on trait and state, in the experimental evaluation of ESP (extrasensory perception). We conducted three Ganzfeld experiments with a sample of 237 participants. In experiment I (N = 60) twenty participants ranked the target stimulus in the first position, achieving a non-significant rate of correct guesses of 33.3% (z = 1.48, p = .07, one tailed). In experiment II (N = 90) only 26.6% of the participants’ guesses were correct (z = .35, p = .36, one tailed). Weighting trials in the second experiment on the basis of the most successful predictors of the participants’ performance in the first experiment increased the rate of correct guesses from 26.6% to 36.4%. Results in a confirmatory experiment (N = 87) were not significant (32.7%, z = 1.32, p = .09, one tailed). However, overall results in this study were consistent with the effects sizes data reported in previous meta-analyses.en_US
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Publication statuspublishedVersion
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Review statuspeerReviewed
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CitationPérez-Navarro, J. M., & Cox, K. (2012). Context-Dependence, Visibility, and Prediction Using State and Trait Individual Differences as Moderators of ESP in a Ganzfeld Environment. Europe's Journal of Psychology, 8(4), 559–572. https://doi.org/10.5964/ejop.v8i4.507
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ISSN1841-0413
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Persistent Identifierhttps://hdl.handle.net/20.500.12034/1162
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Persistent Identifierhttps://doi.org/10.23668/psycharchives.1354
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Language of contenteng
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PublisherPsychOpen GOLD
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Is version ofhttps://doi.org/10.5964/ejop.v8i4.507
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Keyword(s)Ganzfelden_US
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Keyword(s)sensory attenuationen_US
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Keyword(s)ESPen_US
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Keyword(s)parapsychologyen_US
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Keyword(s)perceptionen_US
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Dewey Decimal Classification number(s)150
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TitleContext-Dependence, Visibility, and Prediction Using State and Trait Individual Differences as Moderators of ESP in a Ganzfeld Environmenten_US
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DRO typearticle
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Issue4
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Journal titleEurope's Journal of Psychology
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Page numbers559–572
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Volume8
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Visible tag(s)Version of Record