Finds that, a year or more after enrolling in the program, 2-year-olds perform significantly better on a range of measures of cognitive, language, and social-emotional development, when compared with a randomly assigned control group. EHS families are also more likely to attend school or job...

This article addresses likely error rates for measuring teacher and school performance in the upper elementary grades using value-added models applied to student test score gain data. Using formulas based on ordinary least squares and empirical Bayes estimators, error rates for comparing a...

Finds that, a year or more after enrolling in the program, 2-year-olds perform significantly better on a range of measures of cognitive, language, and social-emotional development, when compared with a randomly assigned control group. EHS families are also more likely to attend school or job...

This preliminary summary of program impacts shows that programs successfully delivered their intended services and that participating children performed significantly better in cognitive, language, and social-emotional development than nonparticipating children. Participating parents also showed...

Mathematica provided technical assistance in developing and estimating VAMs for use in Phase 1 of the pilot.

This paper explores how the design features of curriculum materials might influence potential opportunities to learn and student outcomes through a comparative, documentary analysis of four mathematics curricula commonly used in the United States.