This appendix provides additional details on the underlying data, statistical models, and results presented in the main report. We first describe how we created each control and outcome variable and its source (e.g., parent report), followed by an overview of the logistic regression models employed, and then provide the full set of results from…

A substantial share of children in New Hampshire are at risk of adverse developmental outcomes because of low family resources and other factors that can compromise healthy development in the first few years of life. This report examines the need for early childhood investments in communities across New Hampshire, the current investments under way…

Delaware was in the first group of states to receive a federal grant in 2012 to improve early care and education services and increase the number of infants, toddlers, and preschool-age children in high-quality programs. One component of the state's grant is a rigorous validation process for Delaware Stars for Early Success, a voluntary quality…

The Big Lift is a collective impact initiative extending from preschool to third grade in San Mateo County, California. The collective impact effort consists of people and organizations from various sectors uniting to tackle a single, complicated societal problem -- in this case, third grade reading achievement. The initiative is a partnership of…

In 2008, the Minnesota Early Learning Foundation created the Saint Paul Early Childhood Scholarship Program, a pilot program to provide families with scholarships to cover the cost of high-quality early childhood education (ECE) programs. Although there is a large body of research about the benefits of preschool specifically and early learning…

In 2010, the California Early Learning Quality Improvement System (CAEL QIS) Advisory Committee recommended a structure for a voluntary quality rating and improvement system (QRIS) that could apply to the state's 11,000 licensed centers and 36,600 licensed family child care homes (FCCHs). The proposed design consisted of an unweighted block system…

In an effort to inform preschool policy in California, an interdisciplinary team of RAND researchers conducted a multiyear study of preschool education known as the California Preschool Study. One of the recommendations from that study was the need for a more in-depth analysis of the effectiveness of the early care and education (ECE) workforce…

To evaluate the adequacy and efficiency of preschool education in California, the RAND Corporation has undertaken the California Preschool Study to improve understanding of achievement gaps in the early elementary grades, the adequacy of preschool education currently given, and what efficiencies or additional resources might be brought to bear in…

Parents, policymakers, business leaders, and the general public increasingly recognize the importance of the first few years in the life of a child for promoting healthy physical, emotional, social, and intellectual development. Whether the evidence comes from sophisticated research by brain scientists or the simple observation of the…