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April 26, 2022JMIR Public Health and SurveillanceOpen Access

Testing the Efficacy of Attitudinal Inoculation Videos to Enhance COVID-19 Vaccine Acceptance: Quasi-Experimental Intervention Trial

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Authors

RPRachael Piltch‐LoebMSMax SuBHBrian Hughes

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Overview

Quasi-experimental trial demonstrates that short inoculation videos increase COVID-19 vaccine willingness in unvaccinated individuals, suggesting an effective countermeasure against misinformation.

Key Points

  • To test whether brief attitudinal inoculation videos can cultivate resistance against persuasive COVID-19 vaccine misinformation and increase vaccination willingness.
  • Quasi-experimental intervention trial conducted among unvaccinated individuals (N=1991).
  • Evaluated 3 distinct 30-second inoculation video formats (narrative/rhetorical, fact-based, and hybrid) against control conditions.
  • Used analysis of covariance (ANCOVA) models to measure misinformation tactic recognition, willingness to share misinformation, and vaccine willingness.
  • Intervention groups showed a significantly higher ability to recognize rhetorical misinformation strategies compared to controls (P<.001).
  • Inoculated individuals had significantly lower willingness to share misinformation relative to controls (P=.02).
  • Intervention groups demonstrated significantly greater willingness to receive the COVID-19 vaccine compared to controls (P=.01).

Cite This Study

Piltch‐Loeb et al. (2022) studied this question.

synapsesocial.com/papers/6a81fdc0e5ad2a206e4d5857https://doi.org/10.2196/34615
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