Published Online: October 21, 2013. doi:10.1001/jamainternmed.2013.10363.
Acquisition of data: Wegwarth.
Analysis and interpretation of data: All authors.
Drafting of the manuscript: Wegwarth.
Critical revision of the manuscript for important intellectual content: Gigerenzer.
Statistical analysis: Wegwarth.
Obtained funding: All authors.
Administrative, technical, and material support: Wegwarth.
Study supervision: All authors.
Conflict of Interest Disclosures: None reported.
Funding/Support: The study was funded by the Harding Center for Risk Literacy at the Max Planck Institute for Human Development, a nonprofit research site.
Role of the Sponsor: The funding organization had no role in the design, conduct, collection, analysis, and interpretation of the data and no role in the preparation, review, or approval of the manuscript.
Correction: This article was corrected on November 15, 2013, to fix the Figure.