Income-based childcare programs provide children access to developmentally appropriate and vocabulary-rich literacy experiences. For this study, participating U.S. Head Start Centers requested families complete a weekly home literacy log to encourage vocabulary-rich shared book reading activities in the home. Using participant characteristics,…

Growth-to-standard models evaluate student growth against the growth needed to reach a future standard or target of interest, such as proficiency. A common growth-to-standard model involves comparing the popular Student Growth Percentile (SGP) to Adequate Growth Percentiles (AGPs). AGPs follow from an involved process based on fitting a series of…

Multi-site randomized controlled trials (RCTs) provide unbiased estimates of the average impact in the study sample. However, their ability to accurately predict the impact for individual sites outside the study sample, to inform local policy decisions, is largely unknown. To extend prior research on this question, we analyzed six multi-site RCTs…

Early developmental skills, such as attention, language, and fine motor abilities, can be assessed in preschool to predict later achievement, particularly in reading. Connecticut Documentation & Observation for Teaching System (CT DOTS) is a holistic measure used to track the skill development of preschoolers who attend preschool programs…

Public preschool boosts academic skills in kindergarten, but little is known about whether that boost lasts to third grade because many studies stop directly assessing children after kindergarten. The current study tests for sustained associations between preschool attendance and an array of repeatedly measured, directly assessed language and math…

The Upward Bound Math and Science (UBMS) program at Temple University (TU) seeks to guide first-generation, low-income high school students from Philadelphia in their quest to obtain postsecondary STEM degrees that lead to related careers. This study aims to evaluate the efficacy of the program by analyzing its students' performance in light of…