Presentations

Simplifying Matching Methods for Causal Inference, at National Taiwan University, Wednesday, May 30, 2018:
We show how to use matching in causal inference to ameliorate model dependence -- where small, indefensible changes in model specification have large impacts on our conclusions. We introduce matching methods that are simpler, more powerful, and easier to understand than existing approaches. We also show that the most commonly used existing method, propensity score matching, should rarely be used in practice. Easy-to-use software is available to implement all methods discussed.
How the news media activate public expression and influence national agendas, at Department of Sociology, Harvard University, Wednesday, May 2, 2018:
This talk reports on the results of first large scale randomized news media experiment. We demonstrate that even small news media outlets can cause large numbers of Americans to take public stands on specific issues, join national policy conversations, and express themselves publicly—all key components of democratic politics—more often than they would otherwise. After recruiting 48 mostly small media outlets, and working with them over 55 years, we chose groups of these outlets to write and publish articles on subjects we approved, on dates we randomly assigned. We estimate the... Read more about How the news media activate public expression and influence national agendas
How the news media activate public expression and influence national agendas, at University of Vermont, Monday, April 30, 2018:
This talk reports on the results of first large scale randomized news media experiment. We demonstrate that even small news media outlets can cause large numbers of Americans to take public stands on specific issues, join national policy conversations, and express themselves publicly—all key components of democratic politics—more often than they would otherwise. After recruiting \(48\) mostly small media outlets, and working with them over \(5\) years, we chose groups of these outlets to write and publish articles on subjects we... Read more about How the news media activate public expression and influence national agendas
How the news media activate public expression and influence national agendas, at St. Louis Area Methods Meeting (SLAMM), Iowa State University, Friday, April 20, 2018:
This talk reports on the results of first large scale randomized news media experiment. We demonstrate that even small news media outlets can cause large numbers of Americans to take public stands on specific issues, join national policy conversations, and express themselves publicly—all key components of democratic politics—more often than they would otherwise. After recruiting \(48\) mostly small media outlets, and working with them over \(5\) years, we chose groups of these outlets to write and publish articles on subjects we... Read more about How the news media activate public expression and influence national agendas
Simplifying Matching Methods for Causal Inference, at Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Friday, March 9, 2018:
We show how to use matching in causal inference to ameliorate model dependence -- where small, indefensible changes in model specification have large impacts on our conclusions. We introduce matching methods that are simpler, more powerful, and easier to understand than existing approaches. We also show that the most commonly used existing method, propensity score matching, should rarely be used in practice. Easy-to-use software is available to implement all methods discussed.
How the news media activate public expression and influence national agendas Friday, February 16, 2018:
This talk reports on the results of first large scale randomized news media experiment. We demonstrate that even small news media outlets can cause large numbers of Americans to take public stands on specific issues, join national policy conversations, and express themselves publicly—all key components of democratic politics—more often than they would otherwise. After recruiting 48 mostly small media outlets, and working with them over 5 years, we chose groups of these outlets to write and publish articles on subjects we approved, on dates we randomly assigned. We estimate the causal effect... Read more about How the news media activate public expression and influence national agendas
How to Measure Legislative District Compactness If You Only Know it When You See it, at Stony Brook University, Institute for Advanced Computational Science, Thursday, February 15, 2018:
To prevent gerrymandering and to encourage a form of democratic representation, many state constitutions and judicial opinions require US legislative districts be "compact." Yet, few precise definitions are offered other than "you know it when you see it," effectively assuming the existence of a common understanding of the concept. In contrast, academics have concluded that the concept has multiple theoretical dimensions requiring large numbers of conflicting empirical measures. This has proved extremely challenging for courts tasked with adjudicating compactness. We hypothesize that both are... Read more about How to Measure Legislative District Compactness If You Only Know it When You See it
Matching Methods for Causal Inference, at Microsoft, Cambridge, Friday, January 19, 2018:
This presentation shows how to use matching in causal inference to ameliorate model dependence -- where small, indefensible changes in model specification have large impacts on our conclusions. We introduce matching methods that are simpler, more powerful, and easier to understand. We also show that the most commonly used existing method, propensity score matching, should rarely be used. Easy-to-use software is available to implement all methods discussed.
How the news media activate public expression and influence national agendas, at University of Toronto, Friday, January 12, 2018:

This talk reports on the results of first large scale randomized news media experiment. We demonstrate that even small news media outlets can cause large numbers of Americans to take public stands on specific issues, join national policy conversations, and express themselves publicly—all key components of democratic politics—more often than they would otherwise. After recruiting 48 mostly small media outlets, and working with them over 5 years, we chose groups of these outlets to write and publish articles on subjects we approved, on dates we randomly assigned. We estimate the...

Read more about How the news media activate public expression and influence national agendas

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