The Quality of Caregiver-Child Interactions for Infants and Toddlers (Q-CCIIT) observation tool was developed to measure the quality of child care settings serving infants and toddlers, including center-based care and family child care homes, single-age classrooms, and mixed-age settings. Funded...

This working paper used a randomized controlled trial to estimate the effectiveness of a U.S. government-funded farmer assistance program that trained more than 50,000 farmers throughout Armenia. Training did not increase household income or consumption, or affect mediating outcomes, such as...

This working paper uses urban school district data to investigate whether including track indicators or accounting for classroom characteristics in the value-added model is sufficient to eliminate potential bias resulting from the sorting of students into academic tracks. Accounting for two...

This working paper examines the sensitivity and precision of teacher value-added model (VAM) estimates obtained under model specifications that differ based on whether they include student-level background characteristics, peer-level background characteristics, and/or a double-lagged achievement...

To improve labor market outcomes of people with disabilities, Congress passed the Americans with Disabilities Act (ADA) in 1990. Immediately following enactment, the wages of people with disabilities decreased, but longer-term wage consequences have not been studied. Using data from the March...

This working paper used measurements of accelerometer-based and self-reported physical activity from the National Health and Nutrition Examination Survey 2003–2006 to develop and validate a set of models for predicting objective moderate to vigorous physical activity from self-report...

Ideally, nonexperimental methods that aim to replicate the results of rigorous randomized experiments focus on the intent to treat (ITT) experimental impact estimate, the most causally rigorous measure. This working paper develops a new replication approach that facilitates testing...

This brief summarizes the current knowledge base and identifies key areas for future research related to human services for lesbian, gay, bisexual, and transgender (LGBT) populations. It focuses on three types of services funded by the Administration for Children and Families in the U.S....