A brief, authoritative introduction to field experimentation in the social sciences. Written by two leading experts on experimental methods, this concise text c

In recent years, social scientists have engaged in a deep debate over the methods appropriate to their research. Their long reliance on passive observational co

Field experiments -- randomized controlled trials -- have become ever more popular in political science, as well as in other disciplines, such as economics, soc

This text provides statistical and biometrical procedures for designing, conducting, analyzing and interpreting field experiments. It addresses the most importa