**Principal Investigator(s):**
**Seth J. Hill**
University of California, San Diego
Email: [sjhill@ucsd.edu][1]
Home page: [https://www.sethjhill.com/][2]
**Margaret E. Roberts**
University of California, San Diego
Email: [meroberts@ucsd.edu][3]
Home page: [https://polisci.ucsd.edu/people/faculty/faculty-directory/currently-active-faculty/roberts-profile.html][4]
**Sample size**: 2016
**Field period**: 07/07/2017-03/27/2018
**Hypotheses/Research Questions:**
1. How much do citizens learn about politically-relevant facts from the headlines of different news sources?
2. Do citizens discount headlines from some news sources more than others?
3. If they discount, does this vary with partisanship?
**Experimental Manipulations:**
1. Order of politically-relevant facts presented.
2. Headlines relevant to each fact.
3. Whether news source that produced headline provided.
**Key Dependent Variables:**
Probabilistic belief that statement of fact true.
**Summary of Findings:**
1. Headlines estimated to have likelihood ratios with respect to statements of fact between 1.2 and 1.6, suggesting pretty informative.
2. Some discounting of sources, but limited.
3. Limited heterogeneity by partisanship.
[1]: mailto:sjhill@ucsd.edu
[2]: https://www.sethjhill.com/
[3]: mailto:meroberts@ucsd.edu
[4]: https://polisci.ucsd.edu/people/faculty/faculty-directory/currently-active-faculty/roberts-profile.html
