Research

Enns, Peter K., Leigh Farah, Thomas Gareau-Paquette, and Claudia L. Miner. 2026. “A District-Level Forecast of the 2026 U.S. House of Representatives Midterm Elections.” PS: Political Science & Politics.

Zhong, Judy, Debra D’Angelo, Chen Lyu, Ian Xu, Peter K. Enns, Fei Wang, and Rainu Kaushal. 2026. “Reproducibility in biomedical research.” Nature Medicine. [Article]

Enns, Peter K. 2026. “How a Seemingly Innocuous and Intuitive Methodological Choice Confused a Generation of Research on Policy Responsiveness.” Sociological Science. 13(21): 528-564. [Short Summary] [Article] [Supplemental Materials]

Featured in the Cornell Chronicle, Political Wire, This Week in Social Science,
Strength in Numbers Podcast, and Statistical Modeling.

Yi, Youngmin, Peter K. Enns, and Christopher Wildeman. 2024. “Reconsidering the Relationship between Incarceration, Trust in the State, Community Engagement, and Civic Participation” Socius. 10:
1-24. [Article]

Enns, Peter K. and Joey Marshall. 2026. “Probability-Based Samples Can No Longer Serve as the Heuristic for Accurate and Representative Surveys” Verasight Report (July 21)

Elliott, Morris G., Benjamin Leff, and Peter K. Enns. 2026. “Can AI “digital twins” replace human respondents?” Verasight Report (June 2).

Anderson, Sarah E., Daniel M. Butler, Peter K. Enns, Laurel Harbridge-Yong, and Jacob E. Rothschild. 2026. “The Primary Election Study 2024 Dataset on U.S. Senate Primary Elections.” Data in Brief 66:1-9. [Article]

Zhang, Qian, Christopher Witko, and Peter K. Enns. “Issue Attention in Public Opinion Polls: Pollsters as Agenda Responders and Agenda Setters.” Policy Studies Journal [Article]

Enns, Peter K. and Claudia Miner. 2025. “How Concern with Government Overregulation and Racial Animus Reshaped the Republican Party and Fueled Trump’s Electoral Appeal” in The 2024 Presidential Election, eds. Luke Perry. Cham, Switzerland: Palgrave Macmillan. [Chapter] [PDF]

Enns, Peter K., Amelia Goranson, Jake Rothschild, and Gretchen Streett. 2025. “The Future of Election Polls” 3Streams.

Enns, Peter K., Jonathan Colner, Anusha Kumar, and Julius Lagodny. 2024. “Understanding Biden’s Exit and the 2024 Election: The State Presidential Approval/State Economy Model” PS: Politics Science & Politics. [PS]. (Online Appendix)

• Featured in the The Guardian, The Daily Sun, Cornell Chronicle, The Great Battlefield, The Telegraph, Daily Kos, eCornell, Frankfurter Allgemeine, Noahpinion Blog, and marktforschung.

Enns, Peter K., Rebekah Jones, Julianna Koch, and Julius Lagodny. 2023. “Introducing the U.S. Partisanship and Presidential Approval Dataset: Rejoinder to Berry, Fording, and Crofoot.” State Politics and Policy Quarterly. [SPPQ].

Alvarez, Eliana, Juan A. Bogliaccini, Peter K. Enns, Martin Opertti, and Rosario Queirolo. 2023. “Policy mood and thermostatic representation in developing democracies: taking the temperature in Uruguay” Journal of Elections, Public Opinion and Parties. [JEPOP].

Enns, Peter K. and Julius Lagodny. 2023. “The U.S. Partisanship and Presidential Approval Dataset: Analyzing More than 1.1 Million Survey Respondents from 1948 to 2020” Roper Center for Public Opinion Research: [PDF]

• U.S. Partisanship and Presidential Approval Dataset: https://doi.org/10.25940/ROPER-31120311

Enns, Peter K. 2023 “Reconsidering Representation: How the Same Data Can Produce Diverge about the Quality of Democratic Responsiveness in the United States.” in Contested Representation: Challenges, Shortcomings and Reforms. Eds. Claudia Landwehr, Thomas Saalfeld, and Armin Schafer. New York: Cambridge University Press. [Chapter] [pgs. 103-120] [pgs.121-128]

Lagodny, Julius, Rebekah Jones, Julianna Koch, and Peter K. Enns. 2022. “A Validation and Extension of State-Level Policy Mood.” State Politics and Policy Quarterly. Forthcoming. [SPPQ]

• Data available here.

Enns, Peter K., Jaocb Harris, John Kenny, Andra Roescu, and Will Jennings. 2022. “Public Responsiveness to Declining Crime Rates in the United States and England and Wales.” British Journal of Criminology. 62(5): 1093-1115. [BJC]  [PDF]

Enns, Peter K., Carolina Moehlecke, and Christopher Wlezien. 2022. “Detecting true relationships in time series data with different orders of integration.” Political Science Research and Methods 10(4): 857-869. [PDF] [PSRM]

• Replication Files

Schuldt, Jonathon P., Adam R. Pearson, Neil A. Lewis, Jr., Ashley Jardina, and Peter K. Enns. 2022. “Inequality and Misperceptions of Group Concerns Threaten the Integrity and Societal Impact of Science.” The ANNALS of the American Academic of Political and Social Science. 700(1): 195-207. [AAPSS] [PDF]

• Featured in the Cornell Chronicle.

Enns, Peter K. and Jake Rothschild. 2022. “Do You Know Where Your Survey Data Come From” 3Streams. (May 2).

Enns, Peter K. and Jonathon P. Schuldt. 2021. “Rethinking Joe Biden’s `Resurgence’” in The 2020 Democratic Primary, eds. Luke Perry. Cham, Switzerland: Palgrave Macmillan. [Chapter] [Pre-print]

Enns, Peter K. and Ashley Jardina. 2021 “Complicating the Role of White Racial Attitudes and Anti-Immigrant Sentiment in the 2016 US Presidential Election” Public Opinion Quarterly. 85(2): 539-570. [POQ] [PDF]

• Featured in the New York Times and FiveThirtyEight twice: Feature 1, Feature 2 .

Witko, Christopher, Jana Morgan, Nathan J. Kelly, and Peter K. Enns. 2021. Hijacking the Agenda: Economic Power and Political Influence. New York: Russell Sage Foundation.

• Winner of the 2022 Gladys M. Kammerer Award presented by the American Political Science Association to honor the best book published during the previous calendar year in the field of U.S. national policy.
• Featured in The Hill, 3Streams, Cornell Chronicle, Penn State News, the Patriot News, and the New Books Network Podcast.
• Reviewed in PSQ and Perspectives on Politics.

Enns, Peter K. and Julius Lagodny. 2021. “Using Election Forecasts to Understand the Potential Influence of Campaigns, Media, and the Law in U.S. Presidential Elections” University of Miami Law Review. 75(2): 509-546. [PDF] [UMLR]

Enns, Peter K. 2020. “Book Review of: Mobilized by Injustice: Criminal Justice Contact, Political Participation, and Race.” Perspectives on Politics 18(4): 1214–1216. [Perspectives] [PDF]

Schuldt, Jonathon P., Peter K. Enns, Sara Konrath, and Norbert Schwarz. 2020. “Shifting views on `global warming’ and `climate change’ in the United States” Journal of Environmental Psychology. 69: 1-3. [JEP] [PDF]

• Data and Replication

Enns, Peter K. and Julius Lagodny. 2021. “Forecasting the 2020 Electoral College Winner: The State Presidential Approval/State Economy Model” PS: Political Science & Politics. 54(1): 81-85. [PDF] [PS] [Online Appendix]

• Featured in the Washington Post.

Enns, Peter K. 2020. “Book Review of: Class Attitudes in America: Sympathy for the Poor, Resentment of the Rich, and Political Implications.” American Review of Politics 37(1): 142–145. [ARP] [PDF]

Enns, Peter K. and Jose T Sanchez Gomez. 2019. “Economic Evaluations and Political Change in Chile, 1966 to 2018.” Public Opinion Quarterly. 83(3): 627–639. [POQ] [PDF]

Enns, Peter K., Youngmin Yi, Megan Comfort, Alyssa Goldman, Hedwig Lee, Christopher Muller, Sara Wakefield, Emily A. Wang, and Christopher Wildeman. 2019. “What Percentage of Americans Have Ever Had a Family Member Incarcerated? Evidence from the Family History of Incarceration Survey (FamHIS).” Socius. Vol.5: 1-45. [Socius] [PDF]

• Also see FWD.us Report, Washington Post, BBC, Prison Legal News, Smithsonian Magazine, HowStuffWorks, Gizmodo, Cornell Chronicle, and USA Today.
• Data

Enns, Peter K. and Patrick C. Wohlfarth. 2018. “Making Sense of the Supreme Court-Public Opinion Relationship.” In Handbook of Judicial Behavior. eds. Robert M. Howard and Kirk Randazzo. Routledge Press. [Ch.] [Preprint]

Enns, Peter K. and Mark D. Ramirez. 2018. “Privatizing Punishment: Testing theories of public support for private prison and immigration detention facilities.“ Criminology. 56(3): 546-573. [Criminology] [PDF]

Enns, Peter K., Nathan J. Kelly, Takaaki Masaki, and Patrick C. Wohlfarth. 2017. “Moving Forward with Time Series Analysis.” Research and Politics 4(4): 1-7. [PDF] [R&P]

Enns, Peter K., Julius Lagodny, and Jonathon P. Schuldt. 2017. “Understanding the 2016 US Presidential Polls: The Importance of Hidden Trump Supporters.” Statistics, Politics and Policy. 8(1):41-63. [SPP] [PDF]

• Featured in the Washington Post.

Schuldt, Jonathon P., Peter K. Enns, and Victoria Cavaliere. 2017. “Does the label really matter? Evidence that the US public continues to doubt `global warming’ more than `climate change.’” Climatic Change. 143(1-2): 271-280. [CC] [PDF]

• Featured in the Huffington Post, Reuters, and the Cornell Chronicle.

Enns, Peter K. and Christopher Wlezien. 2017. “Understanding Equation Balance in Time Series Regression.” The Political Methodololgist 24(2): 2-12. [PDF] [TPM]

• Replication Files

Enns, Peter K. and Jonathon P. Schuldt. 2016. “Did Moderates Help Elect Trump?” New York Times. Nov. 16.

Enns, Peter K. and Jonathon P. Schuldt. 2016. “Are There Really Hidden Trump Voters?” New York Times. Nov. 7.

Enns, Peter K., Nathan J. Kelly, Takaaki Masaki, and Patrick C. Wohlfarth. 2016. “Don’t Jettison the General Error Correction Model Just Yet: A Practical Guide to Avoiding Spurious Regression with the GECM.” Research and Politics 3(2):1-16. [PDF]

• Supplementary Information File // Replication Files

Enns, Peter K. 2016. Incarceration Nation: How the United States Became the Most Punitive Democracy in the World. New York: Cambridge University Press.

Enns, Peter K. and Delphia Shanks-Booth. 2015. “The Great Recession and State Criminal Justice Policy: Do Economic Hard Times Matter.” Russell Sage Foundation Great Recession Brief. [PDF]

Enns, Peter K. 2015. “Reconsidering the Middle: A Reply to Martin Gilens.” Perspectives on Politics. 13(4): 1072-1074. [PDF] [Perspectives]

Enns, Peter K. 2015. “Relative Policy Support and Coincidental Representation.” Perspectives on Politics. 13(4): 1053-1064. [PDF] [Perspectives]

• Featured in Vox, Washington Monthly, and Bloomberg.
• Supplementary Information File // Replication Data

Enns, Peter K. and Julianna Koch. 2015. “State Policy Mood: The Importance of Over-Time Dynamics.“ State Politics and Policy Quarterly. 15(4): 436-446. [PDF] [SPPQ]

• Supplementary Information File
• Replication Data

Enns, Peter K. 2015. “Comment on `Support for Redistribution in an Age of Rising Inequality’.” Brookings Papers on Economic Activity. Spring: 406-417. [PDF]

Enns, Peter K. 2015. “Book Review of: White-Collar Government: The Hidden Role of Class in Economic Policy Making.” Congress & The Presidency. 42(1): 116-118. [C&TP] [PDF]

Enns, Peter K., Takaaki Masaki, and Nathan J. Kelly  “Time Series Analysis and Spurious Regression: An Error Correction.”

• Presented at the Annual Meeting of the Southern Political Science Association, New Orleans, LA. 2014.

Enns, Peter K., Nate Kelly, Jana Morgan, Thomas Volscho, and Chris Witko. 2014. “Conditional Status Quo Bias and Top Income Shares: How U.S. Political Institutions Have Benefited the Rich.” Journal of Politics. 76(2): 1-15. [PDF] [JOP]

• Featured in TPM, the Cornell Chronicle, The Monkey Cage, The LSE American Politics and Policy. and Scholars Strategy Network.
• Supplementary Information File // Replication Data

Enns, Peter K. 2014. “The Public’s Increasing Punitiveness and Its Influence on Mass Incarceration in the United States.” American Journal of Political Science. 58(4): 857-872. [PDF] [AJPS]

• Featured in The Dish, The LSE American Politics and Policy, National Affairs, and The Monkey Cage.
• Supplementary Information File // Replication Data

Enns, Peter K. and Patrick Wohlfarth. 2013. “The Swing Justice.” Journal of Politics. 75(4): 1089-1107. [PDF] [JOP]

• Featured in The Monkey Cage, JOTWELL, and the Cornell Chronicle.
• Supplementary Information File // Replication Data

Enns, Peter K. and Brian Richman. 2013. “Presidential Campaigns and the Fundamentals Reconsidered.” Journal of Politics 75(3): 803-820. [PDF] [JOP]

• Featured in The LSE American Politics and Policy, the Cornell Chronicle, the Cornell Daily Sun, and EZRA.
• Supplementary Information File // Replication Data // Codebook // California’s 2000 Voter Information Guide

Enns, Peter K. and Julianna Koch. 2013. “Public Opinion in the U.S. States: 1956 to 2010.” State Politics and Policy Quarterly. 13(3): 349-372. [PDF] [SPPQ]

• Winner of the Allan Saxe Award for the best paper on state and local politics presented at the 2012 Annual Meeting of the Southwestern Political Science Association.
• Featured in The Monkey Cage.
• State Opinion Data // Supplementary Information File

Enns, Peter K., Paul M. Kellstedt, and Gregory E. McAvoy. 2012. “The Consequences of Partisanship in Economic Perceptions.” Public Opinion Quarterly 76(2): 287-310. [PDF] [POQ]

• Featured in The Monkey Cage, TIME Magazine, and BuzzFeed Politics.
• Supplementary Information File // Replication Data

Enns, Peter K. 2012. “Book Review of: Justices and Journalists: The U.S. Supreme Court and the Media. 127(1): 158–159. [PSQ] [PDF]

Enns, Peter K. and Gregory E. McAvoy. 2012. “The Role of Partisanship in Aggregate Opinion.” Political Behavior 34(4): 627-651. [PDF] [PB]

• Featured in The New York Times.
• Replication Data

Enns, Peter K. and Christopher Wlezien (Eds). Who Gets Represented? New York: Russell Sage Foundation.

• [Chapter 1: Group Opinion and the Study of Representation]

Casillas, Christopher, Peter K. Enns, and Patrick Wohlfarth. 2011. “How Public Opinion Constrains the U.S. Supreme Court.” The American Journal of Political Science 55(1): 74-88. [PDF] [AJPS]

• Featured in FiveThirtyEight, The Atlantic, the Cornell Chronicle, and the Shorenstein Center.
• Supplementary Information File // Replication Data

Kelly, Nathan J. and Peter K. Enns. 2010. “Inequality and the Dynamics of Public Opinion: The Self-Reinforcing Link Between Economic Inequality and Mass Preferences.” The American Journal of Political Science 54(4): 855-870. [PDF] [AJPS]

• Featured in the Christian Science Monitor (cover story), The Monkey Cage: Feature 1 and Feature 2, The Huffington Post:  Feature 1 and Feature 2, CQ Researcher, the Cornell Chronicle, the NYT, Vox, and The New Yorker.
• Supplementary Information File // Replication Data

McAvoy, Gregory E. and Peter K. Enns. 2010. “Using Approval of the President’s Handling of the Economy to Understand Who Polarizes and Why.” Presidential Studies Quarterly 40(3): 545-558. [PDF] [PSQ]

• Replication Data

Enns, Peter K. and Christopher J. Anderson. “The American Voter Goes Shopping: Presidential Elections and the Micro-Foundations of Partisan Consumption.”

• Supplementary Information File

Enns, Peter K. 2008. “Book Review of: Polarized America: The Dance of Ideology and Unequal Riches.” Political Science Quarterly. 123(4): 687–689. [PSQ] [PDF]

Enns, Peter K. and Paul M. Kellstedt. 2008. “Policy Mood and Political Sophistication: Why Everybody Moves Mood.” The British Journal of Political Science 38(3): 433-454. [PDF] [BJPS]

• Replication Data / Codebook

Enns, Peter K. “The Micro Foundations of Presidential Approval.”

• Winner of the Best Paper Award, for the best paper on elections, public opinion, and voting behavior delieverd at the 2007 APSA Annual Meeting.