Data

Welcome to the ISPS Data Archive!

The ISPS Data Archive consists primarily of social science research based on experiments. The Archive is organized by study and includes the data, analysis code, requisite documentation, and other associated materials. All published materials have been reviewed to enable long-term usability. Read about our approach to curating for reproducibility. Access to the ISPS Data Archive is provided at no cost and is granted for scholarship and research purposes only.

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Title Author(s)sort ascending Year archived
Changes in Candidate Evaluations over the Campaign Season: A Comparison of House, Senate, and Presidential Races

Patrick Tucker, Steven Smith
Seeing the State in Action: Public Preferences About and Judgments of Common Police–Civilian Interactions

Paige Vaughn, Gregory Huber
Which Elections Can Be Lost?

Nikolay Marinov, Susan D. Hyde

 2013
Voter Attitudes When Democracy Promotion Turns Partisan: Evidence From a Survey-Experiment in Lebanon

Nikolay Marinov

 2012
The Majority-Minority Divide in Attitudes Toward Internal Migration: Evidence from Mumbai

Nikhar Gaikwad, Gareth Nellis
Emails from Official Sources Can Increase Turnout

Neil Malhotra, Melissa Michelson, Ali Valenzuela
Targeted Abortion Frames Do Not Mobilize Political Action-Taking

Natalie Hernandez, Nicholas Ottone, Joshua L. Kalla
What You See and What You Get: Direct and Indirect Political Dividends of Public Policies

Natalia Bueno, Cesar Zucco, Felipe Nunes
A 2 Million-Person, Campaign-Wide Field Experiment Shows How Digital Advertising Affects Voter Turnout

Minali Aggarwal, Jennifer Allen, Alexander Coppock, Dan Frankowski, Solomon Messing, Kelly Zhang, James Barnes, Andrew Beasley, Harry Hartman, Sylvan Zheng
Strategic Campaign Attention to Abortion Before and After Dobbs

Mellissa Meisels

 2025
Everything in Moderation? The Effect of Extremist Nominations on Individual and Corporate PAC Fundraising

Mellissa Meisels

 2025
Non-Coercive Mobilization in State-Controlled Elections: An Experimental Study in Beijing

Mei Guan, Donald P. Green
Experimental Justice: Random Judicial Assignment and the Partisan Process of Supreme Court Review

Matthew Hall

 2011
Irrelevant Events and Voting Behavior: Replications Using Principles from Open Science

Matthew H. Graham, Gregory Huber, Neil Malhotra, Cecilia Hyunjung Mo

 2023
Asking About Attitude Change

Matthew H. Graham, Alexander Coppock

 2022
Understanding the Policy Features That Affect Indians’ Support for India’s 2070 Net-Zero Goal

Matthew Goldberg, Jagadish Thaker, Eric Scheuch, Laura Thomas-Walters, Seth Rosenthal, Anthony Leiserowitz
Compounding Racialized Vulnerability: COVID-19 in Prisons, Jails, and Migrant Detention Centers

Matthew Denney, Ramon Garibaldo Valdez
Chain Novel, or Markov Chain? Estimating the Authority of U.S. Supreme Court Case Law

Matthew Dahl

 2025
Chocolate Scents and Product Sales: A Randomized Controlled Trial in a Canadian Bookstore and Café

Mary McGrath, Peter Aronow, Vivien Shotwell

 2017
Ideologically Extreme Candidates in U.S. Presidential Elections, 1948-2012

Mary McGrath, John Zaller, Marty Cohen, Peter Aronow

 2018