This article presents findings from a randomized controlled trial of 1,279 healthy newborns in Ulaanbaatar, Mongolia, on the effects of swaddling—the tight, prolonged binding of infants—on development.

First 5 LA contracted with Mathematica Policy Research, Inc. (MPR) and its partners to study the implementation of a newly funded universal preschool program operating in Los Angeles County. The First 5 LA Universal Preschool Child Outcomes Study (UPCOS) has an overall goal of learning about how...

Head Start, the largest federally funded preschool program, provides comprehensive services to economically disadvantaged children and their families so that children can enter kindergarten ready to succeed in school. Performance standards include requirements for the intensity and quality of a...

Los Angeles Universal Preschool (LAUP), an entity funded by First 5 LA, is a nonprofit organization whose mission is to provide access to high quality preschool education to the children of Los Angeles County. To achieve high quality preschool educational experiences for the children it serves,...

In this report we present our proposed design and analysis plan for a study of Quality Support Coaching in Los Angeles Universal Preschool (LAUP) programs, to be implemented during phase 5 of the Universal Preschool Child Outcomes Study (UPCOS-5). The purpose of the study is to provide formative...

Direct certification simplifies the process of certifying certain children for free school meals by eliminating the need for households to apply. The 2004 Child Nutrition and WIC Reauthorization Act required all local educations agencies (LEAs) to establish a system of direct certification by...