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All are Bayesian models seeking to provide normative guidance, yet they differ subtly in assumptions and resulting behavior. Models are evaluated both on conceptual grounds and through simulations, and the relationship between models is clarified. The simulations both show surprising similarities and highlight relevant differences between these models. Most importantly, however, our evaluations reveal that important normative concerns arguably remain unresolved. The philosophical implications of this for testimony are discussed.<\/jats:p>","DOI":"10.1007\/s11229-020-02595-2","type":"journal-article","created":{"date-parts":[[2020,3,2]],"date-time":"2020-03-02T21:03:52Z","timestamp":1583183032000},"page":"5773-5801","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":25,"title":["Formal models of source reliability"],"prefix":"10.1007","volume":"198","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1848-013X","authenticated-orcid":false,"given":"Christoph","family":"Merdes","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Momme","family":"von Sydow","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ulrike","family":"Hahn","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2020,3,2]]},"reference":[{"key":"2595_CR2","volume-title":"Bayesian epistemology","author":"L Bovens","year":"2003","unstructured":"Bovens, L., & Hartmann, S. 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