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An extensive literature addresses citizen ignorance, but very little research focuses on misperceptions. Can these false or unsubstantiated beliefs about politics be corrected? Previous studies have not tested the efficacy of corrections in a realistic format. We conducted four experiments in which subjects read mock news articles that included either a(More)
OBJECTIVES To test the effectiveness of messages designed to reduce vaccine misperceptions and increase vaccination rates for measles-mumps-rubella (MMR). METHODS A Web-based nationally representative 2-wave survey experiment was conducted with 1759 parents age 18 years and older residing in the United States who have children in their household age 17(More)
An increasing number of scholars are using longitudinal social network data to try to obtain estimates of peer or social influence effects. These data may provide additional statistical leverage, but they can introduce new inferential problems. In particular, while the confounding effects of homophily in friendship formation are widely appreciated ,(More)
This report carries a Creative Commons license, which permits non-commercial re-use of New America content when proper attribution is provided. This means you are free to copy, display and distribute New America's work, or include our content in derivative works, under the following conditions: • BLOCKINAttribution. You must clearly attribute the work to(More)
We use multilevel modeling to estimate support for health-care reform by age, income, and state. Opposition to reform is concentrated among higher-income voters and those over 65. Attitudes do not vary much by state. Unfortunately, our poll data only go to 2004, but we suspect that much can be learned from the relative positions of different demographic(More)
In this white paper, I propose a series of reforms intended to improve the rigor, timeliness, and replicability of published political science research. These changes could be proposed as part of the next solic-itation for editors of the American Political Science Review or other disciplinary journals. If implemented, they would make our discipline a leader(More)
APSA needs to communicate the value of political science research more effectively, but we should also beware the temptation to believe that the association can agree on or deliver a single message that will overcome our problems and win over skeptics in Congress or the press. It is unlikely that any such message exists. Moreover, APSA is not necessarily(More)
PURPOSE To investigate whether support for vaccines among one's health discussants is associated with beliefs in vaccine safety and intention to vaccinate among college students. METHODS Ordered logistic regression analysis was conducted of data collected from 1,019 undergraduates at a large public university in 2009 and 2010. RESULTS Having health(More)