Information and Expression in a Digital Age

This article examines the role of the Internet as a source of political information and a sphere for public expression. Informational media use, whether traditional news sources or online public affairs content, is expected to foster interpersonal political discussion and online civic messaging, contributing to increased civic participation. Using two-wave national panel survey data, three types of synchronous structural equation models are tested: cross sectional (relating individual differences), fixed effects (relating intraindividual change), and auto regressive (relating aggregate change). All models reveal that online media complement traditional media to foster political discussion and civic messaging.…