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

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

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

Includes bibliographical references and index.