This article explores the statistical methodologies used in demonstration and effectiveness studies when the treatments are applied across multiple settings. The importance of evaluating and how to evaluate these types of studies are discussed. As an alternative to standard methodology, the authors of this article offer an empirical binomial…

Massachusetts' Employment and Training (ET) Choices Program--a work-incentive demonstration--assumes that recipients of Aid to Families with Dependent Children (AFDC) would choose work over welfare if given genuine opportunities for economic improvement. Models for estimating caseload without the ET Program indicate that the program had only…

Evaluation findings of the National Institute on Alcohol Abuse and Alcoholism (NIAAA) Community Demonstration Program show few clear indications of the effectiveness of case management approaches. This article identifies phenomena that explain the lack of positive effects and suggests that evaluation problems may explain apparent negative…