This paper illustrates how to design an experimental sample for measuring the effects of educational programs when whole schools are randomized to a program and control group. It addresses such issues as what number of schools should be randomized, how many students per school are needed, and what is the best mix of program and control schools.
Publications
Methodology
March, 2003
Methodology
Planning for the Jobs-Plus Demonstration
October, 1999
Methodology
A How-To Guide for Planners and Providers of Welfare-to-Work and Other Employment and Training Programs.
October, 1998