Lyall, Jason, Yuki Shiraito, and Kosuke Imai. (2015). ``Coethnic Bias and Wartime Informing.'' Journal of Politics, Vol. 77, No. 3 (July), p. 833-848.
Information about insurgent groups is a central resource in civil wars: counterinsurgents seek it, insurgents safeguard it, and civilians often trade it. Yet despite its essential role in civil war dynamics, the act of informing is still poorly understood, due mostly to the classified nature of informant ``tips.’’ As an alternative research strategy, we use an original 2,700 respondent survey experiment in 100 villages to examine attitudes toward the Guardians of Peace program, a widespread campaign by the International Security Assistance Force in Afghanistan to recruit local informants. We find that coethnic bias — the systematic tendency to favor cooperation with coethnics — shapes attitudes about informing and beliefs about retaliation, especially among Tajik respondents. This bias persists even after adjusting for additional explanations and potential confounding variables, suggesting that identity considerations such as coethnicity may influence attitudes toward high-risk behavior in wartime settings. |
Kenny, Christopher, Cory McCartan, Tyler Simko, and Kosuke Imai
(2024).
``Census officials must constructively engage with independent evaluations.''
Proceedings of the National Academy of Sciences (Letter), Vol. 121, No. 11, e2321196121.
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Kenny, Christopher, Cory McCartan, Shiro Kuriwaki, Tyler Simko, and Kosuke Imai
(2024).
``Evaluating Bias and Noise Induced by the U.S. Census Bureau's Privacy Protection Methods.''
Science Advances, Vol 10, No. 18 (May), pp. 1-13.
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McCartan, Cory, Tyler Simko, and Kosuke Imai
(2024).
``Rejoinder: We Can Improve the Usability of the Census Noisy Measurements File.''
Harvard Data Science Review, Vol. 6, No. 2 (Spring).
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McCartan, Cory, Tyler Simko, and Kosuke Imai
(2023).
``Making Differential Privacy Work for Census Data Users.''
Harvard Data Science Review, Vol. 5, No. 4 (Fall).
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McCartan, Cory, Tyler Simko, and Kosuke Imai
(2023).
``Researchers need better access to US Census data.''
Science, Vol. 380, No. 6648 pp. 902-903.
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Kenny, Christopher T., Shiro Kuriwaki, Cory McCartan, Evan T.R. Rosenman, Tyler Simko, and Kosuke Imai
(2021).
``The Use of Differential Privacy for Census Data and its Impact on Redistricting: The Case of the 2020 U.S. Census.''
Science Advances, Vol. 7, No. 7 (October), pp. 1-17.
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Chou, Winston, Kosuke Imai, and Bryn Rosenfeld
(2020).
``Sensitive Survey Questions with Auxiliary Information.''
Sociological Methods & Research, Vol. 49, No. 2 (May), pp. 418-454.
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Blair, Graeme, Winston Chou, and Kosuke Imai
(2019).
``List Experiments with Measurement Error.''
Political Analysis, Vol. 27, No. 4 (October), pp. 455-480.
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Hirose, Kentaro, Kosuke Imai, and Jason Lyall
(2017).
``Can Civilian Attitudes Predict Insurgent Violence?: Ideology and Insurgent Tactical Choice in Civil War.''
Journal of Peace Research, Vol. 51, No. 1 (January), pp. 47-63. Winner of the Nils Petter Gleditsch Article of the Year Award. Story by Princeton's communication office.
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Rosenfeld, Bryn, Kosuke Imai, and Jacob Shapiro
(2016).
``An Empirical Validation Study of Popular Survey Methodologies for Sensitive Questions.''
American Journal of Political Science, Vol. 60, No. 3 (July), pp. 783-802.
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Blair, Graeme, Kosuke Imai, and Yang-Yang Zhou
(2015).
``Design and Analysis of the Randomized Response Technique.''
Journal of the American Statistical Association, Vol. 110, No. 511 (September), pp. 1304-1319.
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Imai, Kosuke, Bethany Park, and Kenneth Greene
(2015).
``Using the Predicted Responses from List Experiments as Explanatory Variables in Regression Models.''
Political Analysis, Vol. 23, No. 2 (Spring), pp. 180-196. Translated in Portuguese and Reprinted in Revista Debates Vol. 9, No 1.
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Blair, Graeme, Kosuke Imai, and Jason Lyall
(2014).
``Comparing and Combining List and Endorsement Experiments: Evidence from Afghanistan.''
American Journal of Political Science, Vol. 58, No. 4 (October), pp. 1043-1063.
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Lyall, Jason, Graeme Blair, and Kosuke Imai
(2013).
``Explaining Support for Combatants during Wartime: A Survey Experiment in Afghanistan.''
American Political Science Review, Vol. 107, No. 4 (November), pp. 679-705. Winner of the Pi Sigma Alpha Award.
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Blair, Graeme and Kosuke Imai
(2012).
``Statistical Analysis of List Experiments.''
Political Analysis, Vol. 20, No. 1 (Winter), pp. 47-77.
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Bullock, Will, Kosuke Imai, and Jacob Shapiro
(2011).
``Statistical Analysis of Endorsement Experiments: Measuring Support for Militant Groups in Pakistan.''
Political Analysis, Vol. 19, No. 4 (Autumn), pp. 363-384.
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Imai, Kosuke
(2011).
``Multivariate Regression Analysis for the Item Count Technique.''
Journal of the American Statistical Association, Vol. 106, No. 494 (June), pp. 407-416. (featured article)
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