The Fact
Yes. The illusory truth effect is the experimentally replicated finding that repeated statements tend to be judged as more truthful than new statements. Experiments have found the effect across repeated exposures, and a 2024 review concludes that repetition also increases belief in misinformation.
What This Means
Familiarity is not evidence, but the human mind can partly treat familiarity as a cue to truth.
Sources
- Hassan, A., & Barber, S. J. / repetition-frequency research summarized in Psychology of Learning and Motivation; experimental report: https://pmc.ncbi.nlm.nih.gov/articles/PMC8116821/
- Udry, J., & Barber, S. J. (2024). Current Opinion in Psychology 56:101736. https://doi.org/10.1016/j.copsyc.2023.101736