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

  • Lance Storm (Author)
    University of Adelaide
    Research Fellow
  • Adam J. Rock (Author)
  • Simon J. Sherwood (Author)
  • Patrizio E. Tressoldi (Author)
  • Chris A. Roe (Author)

Identifiers (Article)

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, to 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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Published
2019-04-30
Section
Commentaries
Language
en
Keywords
Dream-ESP; ESP; meta-analysis; psi