ISPS Data Archive

Part of the Yale Institution for Social and Policy Studies (ISPS) Dataverse, the ISPS Data Archive includes “replication packages” (i.e., data, analysis code, requisite documentation, and other associated materials) for research supported by ISPS. Replication packages have been reviewed to enable long-term usability using the YARD tool. Read about our approach to curating for reproducibility.

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51 to 60 of 147 Results

Can the Backlash Against Voter ID Laws Activate Minority Voters? Experimental Evidence Examining Voter Mobilization Through Psychological Reactance Apr 8, 2026 Daniel Biggers, 2019, "Can the Backlash Against Voter ID Laws Activate Minority Voters? Experimental Evidence Examining Voter Mobilization Through Psychological Reactance", https://doi.org/10.60600/YU/PISPXJ, Yale Dataverse, V2 Research on the participatory consequences of electoral reforms that increase voting costs largely ignores how the perception that those efforts’ purpose is to disenfranchise certain individuals may affect turnout. Leveraging psychological reactance theory, I test whether invoking that perception activates African Americans (who disproportionately...
A Field Experiment on Community Policing and Police Legitimacy Apr 8, 2026 Kyle Peyton; Michael Sierra-Arevalo; David Rand, 2023, "A Field Experiment on Community Policing and Police Legitimacy", https://doi.org/10.60600/YU/NLOXOG, Yale Dataverse, V2 Replication data and statistical code for the results reported in the paper "Community Policing and Police Legitimacy: A Field Experiment".
A Note on Dropping Experimental Subjects who Fail a Manipulation Check Apr 8, 2026 Peter Aronow; Jonathon Baron; Lauren Pinson, 2018, "A Note on Dropping Experimental Subjects who Fail a Manipulation Check", https://doi.org/10.60600/YU/7CA88G, Yale Dataverse, V2 Dropping subjects after a post-treatment manipulation check is common practice across the social sciences, presumably to restrict estimates to a subpopulation of subjects who understand the experimental prompt. We show that this practice can lead to serious bias and argue for a focus on what is revealed without discarding subjects. Generalizing res...
Did Shy Trump Supporters Bias the 2016 Polls? Evidence from a Nationally-representative List Experiment Apr 8, 2026 Alexander Coppock, 2017, "Did Shy Trump Supporters Bias the 2016 Polls? Evidence from a Nationally-representative List Experiment", https://doi.org/10.60600/YU/Z88TZQ, Yale Dataverse, V2 Explanations for the failure to predict Donald Trump’s win in the 2016 Presidential election sometimes include the “Shy Trump Supporter” hypothesis, according to which some Trump supporters succumb to social desirability bias and hide their vote preference from pollsters. I evaluate this hypothesis by comparing direct question and list experimental...
Democratic and Republican Physicians Provide Different Care on Politicized Health Issues Apr 8, 2026 Eitan Hersh; Matthew Goldenberg, 2019, "Democratic and Republican Physicians Provide Different Care on Politicized Health Issues", https://doi.org/10.60600/YU/LEOHW4, Yale Dataverse, V2 Physicians frequently interact with patients about politically salient health issues, such as drug use, firearm safety, and sexual behavior. We investigate whether physicians’ own political views affect their treatment decisions on these issues. We linked the records of over 20,000 primary care physicians in 29 US states to a voter registration dat...
Recruitment and Perceptions of Gender Bias in Party Leader Support Apr 8, 2026 Daniel Butler; Jessica Preece, 2019, "Recruitment and Perceptions of Gender Bias in Party Leader Support", https://doi.org/10.60600/YU/QYAN4Q, Yale Dataverse, V2 Gender differences in who gets recruited by political party elites contribute to women’s under representation on the ballot, but recent evidence suggests that even when women are recruited to the same extent as men, they are still less likely to be interested in seeking office. Why do men and women respond differently to invitations to seek office?...
Chocolate Scents and Product Sales: A Randomized Controlled Trial in a Canadian Bookstore and Café Apr 8, 2026 Mary McGrath; Peter Aronow; Vivien Shotwell, 2017, "Chocolate Scents and Product Sales: A Randomized Controlled Trial in a Canadian Bookstore and Café", https://doi.org/10.60600/YU/KUKU37, Yale Dataverse, V2 We report the results of a 31-day trial on the effects of chocolate scent on purchasing behavior in a bookstore. Our study replicates and extends a 10-day randomized controlled trial in order to examine the generalizability of the original finding. We first introduce the study of store atmospherics and highlight the importance and dearth of replica...
Trading Barriers: Immigration and the Remaking of Globalization Apr 8, 2026 Margaret E. Peters, 2017, "Trading Barriers: Immigration and the Remaking of Globalization", https://doi.org/10.60600/YU/T2YRNI, Yale Dataverse, V2 Why have countries increasingly restricted immigration even when they have opened their markets to foreign competition through trade or allowed their firms to move jobs overseas? In Trading Barriers, Margaret Peters argues that the increased ability of firms to produce anywhere in the world combined with growing international competition due to low...
The Causal Effects of Elite Position-Taking on Voter Attitudes: Field Experiments with Elite Communication Apr 8, 2026 David E. Broockman; Daniel Butler, 2016, "The Causal Effects of Elite Position-Taking on Voter Attitudes: Field Experiments with Elite Communication", https://doi.org/10.60600/YU/YR8WCF, Yale Dataverse, V2 Influential theories depict politicians as, alternatively, strongly constrained by public opinion, able to shape public opinion with persuasive appeals, or relatively unconstrained by public opinion and able to shape it merely by announcing their positions. To test these theories, we conducted unique field experiments in cooperation with sitting po...
The Majority-Minority Divide in Attitudes Toward Internal Migration: Evidence from Mumbai Apr 8, 2026 Nikhar Gaikwad; Gareth Nellis, 2017, "The Majority-Minority Divide in Attitudes Toward Internal Migration: Evidence from Mumbai", https://doi.org/10.60600/YU/ZVXP3P, Yale Dataverse, V2 Rapid urbanization is among the major processes affecting the developing world. The influx of migrants to cities frequently provokes antagonism on the part of long-term residents, manifested in labor market discrimination, political nativism, and violence. We implemented a novel, face-to-face survey experiment on a representative sample of Mumbai's...

Can the Backlash Against Voter ID Laws Activate Minority Voters? Experimental Evidence Examining Voter Mobilization Through Psychological Reactance

Apr 8, 2026

Daniel Biggers, 2019, "Can the Backlash Against Voter ID Laws Activate Minority Voters? Experimental Evidence Examining Voter Mobilization Through Psychological Reactance", https://doi.org/10.60600/YU/PISPXJ, Yale Dataverse, V2

Research on the participatory consequences of electoral reforms that increase voting costs largely ignores how the perception that those efforts’ purpose is to disenfranchise certain individuals may affect turnout. Leveraging psychological reactance theory, I test whether invoking that perception activates African Americans (who disproportionately...

A Field Experiment on Community Policing and Police Legitimacy

Apr 8, 2026

Kyle Peyton; Michael Sierra-Arevalo; David Rand, 2023, "A Field Experiment on Community Policing and Police Legitimacy", https://doi.org/10.60600/YU/NLOXOG, Yale Dataverse, V2

Replication data and statistical code for the results reported in the paper "Community Policing and Police Legitimacy: A Field Experiment".

A Note on Dropping Experimental Subjects who Fail a Manipulation Check

Apr 8, 2026

Peter Aronow; Jonathon Baron; Lauren Pinson, 2018, "A Note on Dropping Experimental Subjects who Fail a Manipulation Check", https://doi.org/10.60600/YU/7CA88G, Yale Dataverse, V2

Dropping subjects after a post-treatment manipulation check is common practice across the social sciences, presumably to restrict estimates to a subpopulation of subjects who understand the experimental prompt. We show that this practice can lead to serious bias and argue for a focus on what is revealed without discarding subjects. Generalizing res...

Did Shy Trump Supporters Bias the 2016 Polls? Evidence from a Nationally-representative List Experiment

Apr 8, 2026

Alexander Coppock, 2017, "Did Shy Trump Supporters Bias the 2016 Polls? Evidence from a Nationally-representative List Experiment", https://doi.org/10.60600/YU/Z88TZQ, Yale Dataverse, V2

Explanations for the failure to predict Donald Trump’s win in the 2016 Presidential election sometimes include the “Shy Trump Supporter” hypothesis, according to which some Trump supporters succumb to social desirability bias and hide their vote preference from pollsters. I evaluate this hypothesis by comparing direct question and list experimental...

Democratic and Republican Physicians Provide Different Care on Politicized Health Issues

Apr 8, 2026

Eitan Hersh; Matthew Goldenberg, 2019, "Democratic and Republican Physicians Provide Different Care on Politicized Health Issues", https://doi.org/10.60600/YU/LEOHW4, Yale Dataverse, V2

Physicians frequently interact with patients about politically salient health issues, such as drug use, firearm safety, and sexual behavior. We investigate whether physicians’ own political views affect their treatment decisions on these issues. We linked the records of over 20,000 primary care physicians in 29 US states to a voter registration dat...

Recruitment and Perceptions of Gender Bias in Party Leader Support

Apr 8, 2026

Daniel Butler; Jessica Preece, 2019, "Recruitment and Perceptions of Gender Bias in Party Leader Support", https://doi.org/10.60600/YU/QYAN4Q, Yale Dataverse, V2

Gender differences in who gets recruited by political party elites contribute to women’s under representation on the ballot, but recent evidence suggests that even when women are recruited to the same extent as men, they are still less likely to be interested in seeking office. Why do men and women respond differently to invitations to seek office?...

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

Apr 8, 2026

Mary McGrath; Peter Aronow; Vivien Shotwell, 2017, "Chocolate Scents and Product Sales: A Randomized Controlled Trial in a Canadian Bookstore and Café", https://doi.org/10.60600/YU/KUKU37, Yale Dataverse, V2

We report the results of a 31-day trial on the effects of chocolate scent on purchasing behavior in a bookstore. Our study replicates and extends a 10-day randomized controlled trial in order to examine the generalizability of the original finding. We first introduce the study of store atmospherics and highlight the importance and dearth of replica...

Trading Barriers: Immigration and the Remaking of Globalization

Apr 8, 2026

Margaret E. Peters, 2017, "Trading Barriers: Immigration and the Remaking of Globalization", https://doi.org/10.60600/YU/T2YRNI, Yale Dataverse, V2

Why have countries increasingly restricted immigration even when they have opened their markets to foreign competition through trade or allowed their firms to move jobs overseas? In Trading Barriers, Margaret Peters argues that the increased ability of firms to produce anywhere in the world combined with growing international competition due to low...

The Causal Effects of Elite Position-Taking on Voter Attitudes: Field Experiments with Elite Communication

Apr 8, 2026

David E. Broockman; Daniel Butler, 2016, "The Causal Effects of Elite Position-Taking on Voter Attitudes: Field Experiments with Elite Communication", https://doi.org/10.60600/YU/YR8WCF, Yale Dataverse, V2

Influential theories depict politicians as, alternatively, strongly constrained by public opinion, able to shape public opinion with persuasive appeals, or relatively unconstrained by public opinion and able to shape it merely by announcing their positions. To test these theories, we conducted unique field experiments in cooperation with sitting po...

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

Apr 8, 2026

Nikhar Gaikwad; Gareth Nellis, 2017, "The Majority-Minority Divide in Attitudes Toward Internal Migration: Evidence from Mumbai", https://doi.org/10.60600/YU/ZVXP3P, Yale Dataverse, V2

Rapid urbanization is among the major processes affecting the developing world. The influx of migrants to cities frequently provokes antagonism on the part of long-term residents, manifested in labor market discrimination, political nativism, and violence. We implemented a novel, face-to-face survey experiment on a representative sample of Mumbai's...

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