Policies and changes to the built environment are promising targets for obesity prevention
efforts and can be evaluated as 'natural'‐or 'quasi'‐experiments. This systematic review …

Endogeneity is a serious challenge for leadership research. To overcome the problem,
researchers increasingly rely upon experimental designs, such as laboratory and field …

The third edition of this popular, innovative and engaging textbook introduces students to the
various methods of modern social science, explaining how these have emerged, their …

Conventional wisdom suggests that partisanship has little impact on voter behavior in Brazil;
what matters most is pork-barreling, incumbent performance, and candidates' charisma. This …

An important problem in econometrics and marketing is to infer the causal impact that a
designed market intervention has exerted on an outcome metric over time. This paper …

Systematic, practical, and accessible, this is the first book to focus on finding the most
defensible design for a particular research question. Thoughtful guidelines are provided for …

Researchers use survey experiments to establish causal effects in descriptively
representative samples, but concerns remain regarding the strength of the stimuli and the …

Following David Lee's pioneering work, numerous scholars have applied the regression
discontinuity (RD) design to popular elections. Contrary to the assumptions of RD, however …

Does increasing incomes improve health? In 1999, the UK government implemented
minimum wage legislation, increasing hourly wages to at least£ 3.60. This policy experiment …

With an unrepresentative sample, the estimate of a causal effect may fail to characterize how
effects operate in the population of interest. What is less well understood is that conventional …