Beyond measuring average program impacts, it is important to understand how impacts vary. This paper gives a broad overview of the conceptual and statistical issues involved in using multisite randomized trials to learn about and from variation in program effects across individuals, across subgroups of individuals, and across program sites.
Publications
Methodology
April, 2015
Methodology
New Directions in Evaluations of American Welfare-to-Work and Employment Initiatives
October, 2001
Methodology
Methodological Lessons from an Evaluation of Accelerated Schools
October, 2001
Methodology
The Effects of Program Management and Services, Economic Environment, and Client Characteristics
July, 2001
Methodology
Planning for the Jobs-Plus Demonstration
October, 1999
Methodology
August, 1999
Methodology
Statistical Implications for the Evaluation of Education Programs
August, 1999
Methodology
A How-To Guide for Planners and Providers of Welfare-to-Work and Other Employment and Training Programs.
October, 1998