Predictive Physiological Anticipation Preceding Seemingly Unpredictable Stimuli: An Update of Mossbridge's et al. Meta-Analysis
14 Pages Posted: 11 Jan 2018 Last revised: 30 Mar 2018
Date Written: March 24, 2018
Background: This is an update of the Mossbridge et al’s meta-analysis related to the physiological anticipation preceding seemingly unpredictable stimuli. The overall effect size observed was 0.21; 95% Confidence Intervals: 0.13 - 0.29
Methods: Eighteen new peer and non-peer reviewed studies completed from from January 2008 to October 2017 were retrieved describing a total of 26 experiments and 34 associated effect sizes.
Results: The overall weighted effect size, estimated with a frequentist multilevel random model, was: 0.29; 95% Confidence Intervals: 0.19-0.38; the overall weighted effect size, estimated with a multilevel Bayesian model, was: 0.29; 95% Credible Intervals: 0.18-0.39.
Effect sizes of peer reviewed studies were slightly higher: 0.38; Confidence Intervals: 0.27-0.48 than non-peer reviewed articles: 0.22; Confidence Intervals: 0.05-0.39.
The statistical estimation of the publication bias by using the Copas model suggest that the main findings are not contaminated by publication bias.
Conclusions: In summary, with this update, the main findings reported in Mossbridge et al’s meta-analysis, are confirmed.
Keywords: pre-stimulus activity, anticipatory physiology, temporal processing, psychophysiology, presentiment
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