Paranormal psychic believers and skeptics: a large-scale test of the cognitive differences hypothesis
🧐 Skeptical/CriticalPlain English Summary
Are people who believe in psychic phenomena just gullible or bad at remembering things accurately? This large-scale study screened over 2,500 adults to find strong believers and strong skeptics, then put them through a battery of cognitive tests. The surprising finding: believers and skeptics performed equally well on memory tasks, including tests specifically designed to catch false memories. So the 'believers have faulty memory' narrative doesn't hold up. What did differ? Skeptics scored higher on logical reasoning and vocabulary, and believers were more prone to endorsing conspiracy theories. Believers also reported strikingly higher levels of absorption (the tendency to get deeply immersed in experiences, with a large effect size of 1.30) and dissociative experiences. One charming twist: believing in psychic phenomena actually predicted higher life satisfaction. So while analytical thinking seems to be the real dividing line — not memory glitches — believers might just be having a better time.
Research Notes
Provides the most comprehensive test of the cognitive-differences hypothesis for psychic belief to date. Important for the library because it shows analytical thinking, not memory distortion, distinguishes believers from skeptics — complicating the narrative that believers are simply more gullible or memory-prone. Relevant to the meta-debate on why psi belief persists despite contested evidence.
Across three studies, strong psychic believers and strong skeptics (screened from 2,541 adults using a modified Australian Sheep-Goat Scale, matched on age, sex, and education) completed multiple cognitive tasks. No consistent group differences emerged on episodic memory distortion (DRM false recall, criterial recollection, imagination inflation) or working memory. However, skeptics reliably outperformed believers on Shipley Logic (pooled d = 0.46) and Vocabulary (d = 0.62), and believers disproportionately endorsed conspiracy theories (interaction eta-squared = .104, pBIC > .99). Believers also reported higher dissociative experiences (d = 0.84) and absorption (d = 1.30). Both groups equally endorsed Darwinian evolution, and psychic belief positively predicted life satisfaction (beta = .19, N = 2,541).
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📋 Cite this paper
Gray, Stephen J, Gallo, David A (2016). Paranormal psychic believers and skeptics: a large-scale test of the cognitive differences hypothesis. Memory & Cognition. https://doi.org/10.3758/s13421-015-0563-x
@article{gray_gallo_2016_paranormal_cognitive,
title = {Paranormal psychic believers and skeptics: a large-scale test of the cognitive differences hypothesis},
author = {Gray, Stephen J and Gallo, David A},
year = {2016},
journal = {Memory & Cognition},
doi = {10.3758/s13421-015-0563-x},
}