Andrew M. Guess

Andrew M. Guess is an Associate Professor of Politics and Public Affairs at Princeton University and Director of Undergraduate Studies. His research focuses on political communication, social media, misinformation, and opinion change, using experimental methods and large datasets. He holds a Ph.D. in Political Science from Columbia University.

Education: Ph.D. (Columbia, 2016), M.Phil. (Columbia, 2012), M.A. (Columbia, 2010), B.A. in Information Science (Cornell, 2006).

Research Interests:

• How people select and process political information
• Online misinformation dynamics
• Effectiveness of fact-checking
• Social media algorithm impacts
• Public opinion formation

Key Findings:

• Online Americans' news habits are less polarized than assumed
• News credibility labels have limited impact on user behavior
• Algorithmic recommendations have minimal effects on polarization

Awards:

• NSF RAPID Award ($199K)
• Volkswagen Foundation Grant (€736K)
• Multiple Honorable Mentions from APSA

Grants & Collaborations:

• Co-founder of Journal of Quantitative Description: Digital Media
• Principal Investigator on Meta Collaboration Studies
• Affiliate at NYU’s Center for Social Media and Politics

Labs/Teams: Leading research on digital media literacy interventions and platform algorithm impacts through collaborations with interdisciplinary teams.