This paper provides practical guidance for researchers who are designing and analyzing studies that randomize schools — which comprise three levels of clustering (students in classrooms in schools) — to measure intervention effects on student academic outcomes when information on the middle level (classrooms) is missing.
Publications
Methodology
April, 2011
Methodology
July, 2004
Relying on 427 classroom observations conducted over a three-year period, this study traces changes in teachers’ instructional practices in the First Things First schools.
Methodology
Methodological Lessons from an Evaluation of Accelerated Schools
October, 2001
Methodology
Statistical Implications for the Evaluation of Education Programs
August, 1999
Methodology
August, 1999
Methodology
A How-To Guide for Planners and Providers of Welfare-to-Work and Other Employment and Training Programs.
October, 1998