Links to online news and research resources:

• Methodological Appendix for POQ, 2002 (Shah et al.)

Ideodynamics Model Formulation

• Methodological Appendix for JOC, 2007 (Shah et al.)

Complete Question Wording

• Methodological Appendix for PC, 2009 (Shah et al.)

Question Wording and Correlation Matrix

• Methodological Appendix for PC, 2016 (Wells et al.)

Data Coding, Statistical Model Building, and Robustness Check

• Methodological Appendix for JCMC, 2019 (Zhang et al.)

Data Processing, Classification and Clustering, and Bot Analysis

• Complete Appendix 1 – 8 for Battleground, 2021 (Friedland et al.)

Search Terms, Data Layers, Discourse Counts, Timelines, Time Series, and HLM

New York Times, America’s leading newspaper available on the Web.

Washington Post, the leading political paper available on the Web.

Frontline, a flagship public affairs documentary series on public television.

Public Agenda, a nonpartisan clearinghouse of issue opinion.

Arts and Letters Daily, links to essays on philosophy, culture, and politics.

Alternet, a resource link dedicated to independent and alternative journalism.

Pew Internet and American Life: Data reports on a range of civic issues.

Pew Research Center for People and the Press: Data and reports from Pew.

NES: National Election Study; Data available through the University of Michigan.

ICPSR: The inter-university consortium for political and social research.

GSS: General Social Survey data through NORC.

Eurobarometer: Public opinion surveys by the European Commission.

Gallup Poll, Recently released poll data, including opinion time trends.

Polling Report, Nonpartisan source on trends in American public opinion.

Bowling Alone, Robert Putnam’s DDB data archive and 40 community study.

AAPOR: American Association for Public Opinion Research.

AEJMC: Association for Education in Journalism and Mass Communication.

A(O)IR: Association of Internet Researchers.

APSA: Political Communication Section, American Political Science Association.

ICA: International Communication Association.

ISPP: International Society of Political Psychology.

MAPOR: Midwest Association for Public Opinion Research.

MPSA: Midwest Political Science Association.