Response to Howard (2018): Comments on ‘A Meta-Reanalysis of Dream-ESP Studies’

Lance Storm, Adam Rock, Simon Sherwood, Patrizio Tressoldi, Christopher Anthony Roe

Research output: Contribution to journalComment/debateResearch

Abstract

Dream-ESP is a form of extra-sensory perception (ESP) in which a dreaming perceiver ostensibly gains information about a randomly selected target without using the normal sensory modalities or logical inference. We conducted a meta-analysis on dream-ESP studies (dating from 1966 to 2016), and found a number of significant effects indicating support for the ESP hypothesis (Storm et al., 2017). Howard (2018) critiqued our study, and found much weaker effects based on a re-analysis of our data, in which he applied inverse-variance weights to the study values. Although Howard replicated a number of our findings, his other findings can be challenged. We discuss meta-analytic approaches, including the controversial issues of publication bias and what to do with outliers, and we present some re-analyses.
Original languageEnglish
Pages (from-to)147-152
Number of pages6
JournalInternational Journal of Dream Research
Volume12
Issue number1
DOIs
Publication statusPublished - 30 Apr 2019

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Publication Bias
Meta-Analysis
Weights and Measures

Keywords

  • Dream-ESP
  • ESP
  • meta-analysis
  • psi

Cite this

Lance Storm ; Adam Rock ; Simon Sherwood ; Patrizio Tressoldi ; Roe, Christopher Anthony. / Response to Howard (2018): Comments on ‘A Meta-Reanalysis of Dream-ESP Studies’. In: International Journal of Dream Research. 2019 ; Vol. 12, No. 1. pp. 147-152.
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Response to Howard (2018): Comments on ‘A Meta-Reanalysis of Dream-ESP Studies’. / Lance Storm; Adam Rock; Simon Sherwood; Patrizio Tressoldi ; Roe, Christopher Anthony.

In: International Journal of Dream Research, Vol. 12, No. 1, 30.04.2019, p. 147-152.

Research output: Contribution to journalComment/debateResearch

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T1 - Response to Howard (2018): Comments on ‘A Meta-Reanalysis of Dream-ESP Studies’

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AU - Adam Rock

AU - Simon Sherwood

AU - Patrizio Tressoldi

AU - Roe, Christopher Anthony

PY - 2019/4/30

Y1 - 2019/4/30

N2 - Dream-ESP is a form of extra-sensory perception (ESP) in which a dreaming perceiver ostensibly gains information about a randomly selected target without using the normal sensory modalities or logical inference. We conducted a meta-analysis on dream-ESP studies (dating from 1966 to 2016), and found a number of significant effects indicating support for the ESP hypothesis (Storm et al., 2017). Howard (2018) critiqued our study, and found much weaker effects based on a re-analysis of our data, in which he applied inverse-variance weights to the study values. Although Howard replicated a number of our findings, his other findings can be challenged. We discuss meta-analytic approaches, including the controversial issues of publication bias and what to do with outliers, and we present some re-analyses.

AB - Dream-ESP is a form of extra-sensory perception (ESP) in which a dreaming perceiver ostensibly gains information about a randomly selected target without using the normal sensory modalities or logical inference. We conducted a meta-analysis on dream-ESP studies (dating from 1966 to 2016), and found a number of significant effects indicating support for the ESP hypothesis (Storm et al., 2017). Howard (2018) critiqued our study, and found much weaker effects based on a re-analysis of our data, in which he applied inverse-variance weights to the study values. Although Howard replicated a number of our findings, his other findings can be challenged. We discuss meta-analytic approaches, including the controversial issues of publication bias and what to do with outliers, and we present some re-analyses.

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