Social experimentation randomly assigns individuals or groups to coverage by the policy of interest or a control group and then the groups are compared in terms

This volume provides a single collection some of the best articles on social experimentation and program evaluation that have appeared in the Journal of Policy

Welfare experiments conducted at the state level during the 1990s radically restructured the American welfare state and have played a critical—and unexpected�

Includes bibliographical references and index.

This is part of a ten volume set of reference books offering authoritative and engaging critical overviews of the state of political science. This work explores