In some experimental evaluations of classroom- or school-level interventions, random assignment is conducted at the student level and the program is delivered at the higher level. This paper clarifies the correct causal interpretation of “program impacts” when this study design is used and discusses the implications and limitations of this research design. A real example is used to demonstrate the paper’s key points.
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.
How Welfare and Work Policies Influence Parents’ Decisions
Congressional deliberations on the future of welfare reform have reopened a debate about whether current child care assistance programs adequately support employment among low-income working parents while also fostering their children’s development. Issues at the forefront of this debate are explored in this timely new policy brief.