The final report to Congress presents complete findings from our seven-year national evaluation of Early Head Start. The findings show that the program promotes learning and the parenting that supports it within the first three years of life. Participating children perform significantly better...

For randomized control trials (RCTs) of education interventions, it is often of interest to estimate associations between student and mediating teacher practice outcomes, to examine the extent to which a study’s conceptual model is supported by data, and to identify mediators most...

To improve precision of estimated treatment effects, education randomized control trials (RCTs) often use pretest–post-test experimental designs. For logistical reasons, however, pretest data often are collected after random assignment, so including them in the analysis could bias...

Early Head Start, a federal program begun in 1995 for low-income pregnant women and families with infants and toddlers, was evaluated through a randomized trial of 3,001 families in 17 programs. Interviews with primary caregivers, child assessments, and observations of parent– child...

Provides results from an evaluation of seven social and character development programs.

Variation in treatment effects has important implications for education practice—and for facilitating the most efficient use of limited resources—by informing decisions about how best to target interventions and how to improve the design or implementation of interventions....

Describes sources of information about Job Corps, expectations, and experiences with the program's outreach and admissions system; also provides information that may help interpret impact estimates and improve program operations.