Journal
PLOS ONE
Volume 17, Issue 7, Pages -Publisher
PUBLIC LIBRARY SCIENCE
DOI: 10.1371/journal.pone.0270429
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Funding
- National Science Foundation [2123635]
- Leverhulme Trust
- Direct For Computer & Info Scie & Enginr
- Division Of Computer and Network Systems [2123635] Funding Source: National Science Foundation
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No systematic evidence for an increase in beliefs in conspiracy theories has been observed. This study fills the evidentiary gap on the increase or lack thereof in conspiracy beliefs and discusses the theoretical and policy implications.
The public is convinced that beliefs in conspiracy theories are increasing, and many scholars, journalists, and policymakers agree. Given the associations between conspiracy theories and many non-normative tendencies, lawmakers have called for policies to address these increases. However, little evidence has been provided to demonstrate that beliefs in conspiracy theories have, in fact, increased over time. We address this evidentiary gap. Study 1 investigates change in the proportion of Americans believing 46 conspiracy theories; our observations in some instances span half a century. Study 2 examines change in the proportion of individuals across six European countries believing six conspiracy theories. Study 3 traces beliefs about which groups are conspiring against us, while Study 4 tracks generalized conspiracy thinking in the U.S. from 2012 to 2021. In no instance do we observe systematic evidence for an increase in conspiracism, however operationalized. We discuss the theoretical and policy implications of our findings.
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