Yale Institution for Social and Policy Studies Dataverse

The Yale Institution for Social and Policy Studies (ISPS) Dataverse consists of social science research materials generated by ISPS affiliates.

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2,561 to 2,570 of 2,594 Results

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_r.log Jan 7, 2026 - Does the Media Matter? A Field Experiment Measuring the Effect of Newspapers on Voting Behavior and Political Opinions Plain Text - 449.6 KB - MD5: 3cd75fe18d42c7897dc50cc3619a2655 Output Log (R); ISPS number D009F11.1; Published 6/14/2010; Source: Authors; Created with: Text editor

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

GerberKarlanBergan_AEJ_2009_r.log

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

Plain Text - 449.6 KB -

Output

Log (R); ISPS number D009F11.1; Published 6/14/2010; Source: Authors; Created with: Text editor

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