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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2,671 to 2,680 of 2,694 Results

GerberKarlanBergan_AEJ_2009_EDITED.do Jan 7, 2026 - Does the Media Matter? A Field Experiment Measuring the Effect of Newspapers on Voting Behavior and Political Opinions Stata Syntax - 15.2 KB - MD5: 52756b6c4a21b21929594a728731b021 Program Program file; ISPS number D009F04; Published 6/14/2010; Source: Authors; Created with: Stata 10.0
GerberKarlanBergan_AEJ_2009_EDITED.R Jan 7, 2026 - Does the Media Matter? A Field Experiment Measuring the Effect of Newspapers on Voting Behavior and Political Opinions R Syntax - 154.2 KB - MD5: c480f111eeff42c1c701fb99df20cadb Program Program file; ISPS number D009F04.1; Published 6/14/2010; Source: Authors; Created with: R 2.9.1
GerberKarlanBergan_AEJ_2009_EDITED_README.txt Jan 7, 2026 - Does the Media Matter? A Field Experiment Measuring the Effect of Newspapers on Voting Behavior and Political Opinions Plain Text - 932 B - MD5: 58c9f1fcc2e45c3ca48893d254c71b01 README Readme file (updated); ISPS number D009F01; Published 6/14/2010; Source: Authors; Created with: Text editor
GerberKarlanBergan_AEJ_2009_followupsurvey.pdf Jan 7, 2026 - Does the Media Matter? A Field Experiment Measuring the Effect of Newspapers on Voting Behavior and Political Opinions Adobe PDF - 85.7 KB - MD5: a7456baf2ea807d2ce178cccf5183a43 Codebook Study materials (Followup survey); ISPS number D009F07; Published 6/14/2010; Source: Authors; Created with: Adobe 8.1
GerberKarlanBergan_AEJ_2009_headlines_coverage.pdf Jan 7, 2026 - Does the Media Matter? A Field Experiment Measuring the Effect of Newspapers on Voting Behavior and Political Opinions Adobe PDF - 73.7 KB - MD5: be06d1f3694f29ee1c86dfc4b6209528 Supplementary Materials Study materials (Newspaper headline data); ISPS number D009F09; Published 6/14/2010; Source: Authors; Created with: Adobe 8.1
GerberKarlanBergan_AEJ_2009.log Jan 7, 2026 - Does the Media Matter? A Field Experiment Measuring the Effect of Newspapers on Voting Behavior and Political Opinions Plain Text - 577.2 KB - MD5: a2a3b0f5d717ef267e19fb90cb034f6f Output Log (Stata); ISPS number D009F11; Published 6/14/2010; Source: Authors; Created with: Text editor
GerberKarlanBergan_AEJ_2009_piiremoval.do Jan 7, 2026 - Does the Media Matter? A Field Experiment Measuring the Effect of Newspapers on Voting Behavior and Political Opinions Stata Syntax - 737 B - MD5: 7a6ba7eb86883925d4d33ff90b889ffa Program Code for PII removal; ISPS number D009F05; Published 6/14/2010; Source: Authors; Created with: Stata 10
GerberKarlanBergan_AEJ_2009_postcardtext.pdf Jan 7, 2026 - Does the Media Matter? A Field Experiment Measuring the Effect of Newspapers on Voting Behavior and Political Opinions Adobe PDF - 34.8 KB - MD5: 7fb248a2d0d92005e0cb13a75940ad4a Treatment Materials Treatment materials; ISPS number D009F08; Published 6/14/2010; Source: Authors; Created with: Adobe 8.1
GerberKarlanBergan_AEJ_2009_publicdata_EDITED.dta Jan 7, 2026 - Does the Media Matter? A Field Experiment Measuring the Effect of Newspapers on Voting Behavior and Political Opinions Tabular Data - 1.2 MB - 174 Variables, 3347 Observations - UNF:6:XEOO1dT4ySHKpd0XT4nDXQ== DataSurvey/interview (e.g., ANES) Dataset; ISPS number D009F02; Published 6/14/2010; Source: Authors; Created with: Stata 10.0
GerberKarlanBergan_AEJ_2009_readmeaejapp-20070007.pdf Jan 7, 2026 - Does the Media Matter? A Field Experiment Measuring the Effect of Newspapers on Voting Behavior and Political Opinions Adobe PDF - 55.1 KB - MD5: ab1a9a65a6ed11bc9549bd517a29378c README ReadMe file; ISPS number D009F01.1; Published 6/14/2010; Source: Authors; Created with: Adobe 8.1

GerberKarlanBergan_AEJ_2009_EDITED.do

Jan 7, 2026 - Does the Media Matter? A Field Experiment Measuring the Effect of Newspapers on Voting Behavior and Political Opinions

Stata Syntax - 15.2 KB -

Program

Program file; ISPS number D009F04; Published 6/14/2010; Source: Authors; Created with: Stata 10.0

GerberKarlanBergan_AEJ_2009_EDITED.R

Jan 7, 2026 - Does the Media Matter? A Field Experiment Measuring the Effect of Newspapers on Voting Behavior and Political Opinions

R Syntax - 154.2 KB -

Program

Program file; ISPS number D009F04.1; Published 6/14/2010; Source: Authors; Created with: R 2.9.1

GerberKarlanBergan_AEJ_2009_EDITED_README.txt

Jan 7, 2026 - Does the Media Matter? A Field Experiment Measuring the Effect of Newspapers on Voting Behavior and Political Opinions

Plain Text - 932 B -

README

Readme file (updated); ISPS number D009F01; Published 6/14/2010; Source: Authors; Created with: Text editor

GerberKarlanBergan_AEJ_2009_followupsurvey.pdf

Jan 7, 2026 - Does the Media Matter? A Field Experiment Measuring the Effect of Newspapers on Voting Behavior and Political Opinions

Adobe PDF - 85.7 KB -

Codebook

Study materials (Followup survey); ISPS number D009F07; Published 6/14/2010; Source: Authors; Created with: Adobe 8.1

GerberKarlanBergan_AEJ_2009_headlines_coverage.pdf

Jan 7, 2026 - Does the Media Matter? A Field Experiment Measuring the Effect of Newspapers on Voting Behavior and Political Opinions

Adobe PDF - 73.7 KB -

Supplementary Materials

Study materials (Newspaper headline data); ISPS number D009F09; Published 6/14/2010; Source: Authors; Created with: Adobe 8.1

GerberKarlanBergan_AEJ_2009.log

Jan 7, 2026 - Does the Media Matter? A Field Experiment Measuring the Effect of Newspapers on Voting Behavior and Political Opinions

Plain Text - 577.2 KB -

Output

Log (Stata); ISPS number D009F11; Published 6/14/2010; Source: Authors; Created with: Text editor

GerberKarlanBergan_AEJ_2009_piiremoval.do

Jan 7, 2026 - Does the Media Matter? A Field Experiment Measuring the Effect of Newspapers on Voting Behavior and Political Opinions

Stata Syntax - 737 B -

Program

Code for PII removal; ISPS number D009F05; Published 6/14/2010; Source: Authors; Created with: Stata 10

GerberKarlanBergan_AEJ_2009_postcardtext.pdf

Jan 7, 2026 - Does the Media Matter? A Field Experiment Measuring the Effect of Newspapers on Voting Behavior and Political Opinions

Adobe PDF - 34.8 KB -

Treatment Materials

Treatment materials; ISPS number D009F08; Published 6/14/2010; Source: Authors; Created with: Adobe 8.1

GerberKarlanBergan_AEJ_2009_publicdata_EDITED.dta

Jan 7, 2026 - Does the Media Matter? A Field Experiment Measuring the Effect of Newspapers on Voting Behavior and Political Opinions

Tabular Data - 1.2 MB - 174 Variables, 3347 Observations -

DataSurvey/interview (e.g., ANES)

Dataset; ISPS number D009F02; Published 6/14/2010; Source: Authors; Created with: Stata 10.0

GerberKarlanBergan_AEJ_2009_readmeaejapp-20070007.pdf

Jan 7, 2026 - Does the Media Matter? A Field Experiment Measuring the Effect of Newspapers on Voting Behavior and Political Opinions

Adobe PDF - 55.1 KB -

README

ReadMe file; ISPS number D009F01.1; Published 6/14/2010; Source: Authors; Created with: Adobe 8.1

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