Recently, the regression discontinuity (RD) design has become increasingly popular among
social scientists. One prominent application is the study of close elections. We explicate …

Social scientists increasingly exploit natural experiments in their research. This article
surveys recent applications in political science, with the goal of illustrating the inferential …

This unique book is the first comprehensive guide to the discovery, analysis, and evaluation
of natural experiments-an increasingly popular methodology in the social sciences. Thad …

This book is intended to fill a gap in the literature on research methods in the social
sciences. To date, methods textbooks have yet to formally incorporate population-based …

In this second edition of Counterfactuals and Causal Inference, completely revised and
expanded, the essential features of the counterfactual approach to observational data …

We report the results of the first large-scale experiment involving paid political advertising.
During the opening months of a 2006 gubernatorial campaign, approximately $2 million of …

John Gerring's exceptional textbook has been thoroughly revised in this second edition. It
offers a one-volume introduction to social science methodology relevant to the disciplines of …

Political scientists often turn to natural experiments to draw causal inferences with
observational data. Recently, the regression discontinuity design (RD) has become a …

Research on negative campaigning has largely overlooked the role of stereotypes. In this
study, we argue that the gender and partisan stereotypes associated with traits and policy …

Despite the rapid growth of online political advertising, the vast majority of scholarship on
political advertising relies exclusively on evidence from candidates' television …