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Elements of External Validity: Framework, Design, and Analysis

External validity of randomized experiments is a focus of long-standing debates in the social sciences. While the issue has been extensively studied...

A kernel balancing approach for reducing specification assumptions in survey weighting

Response rates to surveys have declined precipitously. Some researchers have responded by relying more heavily on convenience-based internet samples. This leaves researchers asking...

Covariate Selection for Generalizing Experimental Results: Application to Large-Scale Development Program in Uganda

Scientists are often interested in generalizing causal effects estimated in an experiment to a target population. However, analysts are often constrained by available covariate information...

Statistical Advances in Post-Election Ballot Auditing

Post-election audits are an integral part of the broader election audit process. Depending on the auditing method, they may detect miscounts in the official tabulation of votes, or limit the risk of certifying an incorrect outcome...

Target Selection as Variable Selection: Using the Lasso to Select Auxiliary Vectors for the Construction of Survey Weights

Survey nonresponse is a ubiquitous problem in modern survey research. As individuals have become less likely to respond to surveys there has been a simultaneous rise in highly granular data sources...