**Data and materials for the manuscript:**
Nadarevic, L., Reber, R., Helmecke, A. J., & Köse, D. (2020). Perceived truth of statements and simulated social media postings: An experimental investigation of source credibility, repeated exposure, and presentation format. *Cognitive Research: Principles and Implications, 5,* 56. https://doi.org/10.1186/s41235-020-00251-4