Dr. Callaghan's research focuses on how politics, policy, and place work together to influence health in America. He has conducted extensive research on state political decision-making under the Affordable Care Act, individual health attitudes and behaviors, and health care access for vulnerable groups. Currently he is conducting research on vaccine hesitancy and public attitudes surrounding the COVID-19 pandemic. He received his doctorate in political science from the University of Minnesota.
In the News
Analyzes public opinion about vaccination policies to assess whether Dunning-Kruger effects, when people with little knowledge think that they are better informed than medical experts about causes, can help to explain anti-vaccination policy attitudes.