This is the dataset used by Imai (2005) to replicate and evaluate the field experiment done by Gerber and Green (2000). The accompanying demo replicates Imai's propensity score model which is then used to estimate the causal effect of get-out-the-vote telephone calls on turnout.
This package is included with the Matching
package:
data(GerberGreenImai, package='Matching')
A data frame with 10829 observations on the following 26 variables.
PERSONS
- Number persons in householdWARD
- Ward of residenceQUESTION
- Asked to commit to votingMAILGRP
- Sent mailPHONEGRP
- Phone batch #1PERSNGRP
- Personal contact attemptedAPPEAL
- Content of messageCONTACT
- Personal contact occurredMAILINGS
- Number of mailings sentAGE
- Age of respondentMAJORPTY
- Democratic or RepublicanVOTE96.0
- Abstained in 1996VOTE96.1
- Voted in 1996MAILCALL
- Phone batch #2VOTED98
- Voted in 1998PHNSCRPT
- Script read to phone respondentsDIS.MC
- Contacted by phone in batch #2DIS.PHN
- Contacted by phone in batch #1PHN.C
- Contacted by phonePHNTRT1
- Phone contact attempted (no blood or blood/civic)PHNTRT2
- Phone contact attempted (no blood)PHN.C1
- Contact occurred in phntrt1PHN.C2
- Contact occurred in phntrt2NEW
- New voterphone
- Contacted by phoneAGE2
- Age squaredThe demo provided, entitled GerberGreenImai, uses Imai's propensity score model to estimate the causal effect of get-out-the-vote telephone calls on turnout. The propensity score model fails to balance age.
Gerber, Alan S. and Donald P. Green. 2000. “The Effects of Canvassing, Telephone Calls, and Direct Mail on Voter Turnout: A Field Experiment.” American Political Science Review 94: 653-663.
Gerber, Alan S. and Donald P. Green. 2005. “Correction to Gerber and Green (2000), replication of disputed findings, and reply to Imai (2005).” American Political Science Review 99: 301-313.
Imai, Kosuke. 2005. “Do Get-Out-The-Vote Calls Reduce Turnout? The Importance of Statistical Methods for Field Experiments.” American Political Science Review 99: 283-300.
Hansen, Ben B. Hansen and Jake Bowers. forthcoming. “Attributing Effects to a Cluster Randomized Get-Out-The-Vote Campaign.” Journal of the American Statistical Association.
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