Accurate, reliable, and scalable measurement of classroom quality represent a critical tool for ensuring that young children benefit from early learning programs. The Early Childhood Classroom Observation (ECCO) study was designed to better understand how video recordings can support high-quality measurement of pre-kindergarten (pre-K) classrooms,…

Propensity score methods account for selection bias in observational studies. However, the consistency of the propensity score estimators strongly depends on a correct specification of the propensity score model. Logistic regression and, with increasing popularity, machine learning tools are used to estimate propensity scores. We introduce a…

These appendices accompany the full report, "National Household Education Surveys Program of 2019: Qualitative Study of Nonresponding Addresses. NCES 2022-043" (ED617187). The full report documents the methods and findings of a qualitative study of nonrespondent addresses to the 2019 administration of the National Household Education…

The Social and Emotional Learning Program Quality Assessment (SEL PQA) is an efficient and effective, research-validated observational tool for assessing adult youth leader practices that support social and emotional learning. Intended to be used for programs serving young people in grades K-12, the instrument builds on the research-validated…