Josh Pasek is Assistant Professor of Communication Studies at the University of Michigan. His research explores how new media and psychological processes shape political attitudes, public opinion, and political behaviors. Josh also examines issues in the measurement of public opinion including techniques for reducing measurement error and improving survey design. Current research explores how political information might influence public opinion and voter decision-making, evaluates whether the use of online social networking sites such as Facebook and Twitter might be changing the political information environment, and assesses the differences between survey results obtained from Internet volunteers as opposed to traditional samples. His work has been published in Public Opinion Quarterly, Political Communication, Communication Research, and the Journal of Information Technology and Politics among other outlets. He also maintains two R packages for producing survey weights (anesrake) and analyzing weighted survey data (weights).