Background/Context: The U.S has experienced years of lost progress in math because of the COVID-19 pandemic (NAEP, n.d.a). Fraction understanding is widely characterized as the gatekeeper to algebra (Booth et al., 2012; National Mathematics Advisory Panel, 2008) and can support success in middle and high school math (Bailey et al., 2012; Booth et…

Background: Children's early experiences with their parents have a profound effect on their lifelong outcomes. Responsive caregiving includes parenting behaviors like serve and return interactions, rich and varied language inputs, and positive affect (Landry et al., 2001). There is evidence that interventions can help parents improve these skills…

Background/Context: Childhood trauma can increase preschooler's risk for behavioral problems, poor student-teacher relationships, and expulsion (Loomis, 2020; Zeng et al., 2019). Efforts have been undertaken to address the gaps in knowledge and confidence of ECE teachers by integrating trauma-informed approaches into ECE settings, who by virtue of…

The authors are presently in the fourth year of a six-year, lottery-based randomized control trial (RCT) studying the effectiveness of nine Colorado charter schools that have implemented Core Knowledge®. Core Knowledge (CK) is a comprehensive K-8 curriculum for language arts, math, science, social studies, visual arts, and music that is intended…

The Stock Market Game[TM] is an educational program supported by the Securities Industry and Financial Markets Association (SIFMA) Foundation for Investor Education. The program is designed to teach students the importance of saving and investing by building their financial literacy skills. The primary focus of the study was to measure the impact…

This is a quasi-experimental study in which academic word-learning by students in five schools implementing the Word Generation program was compared to academic word-learning by students in three schools within the same system that did not choose to implement the program. Because the implementing schools were those that volunteered for the…

The National Center for Research on Early Childhood Education's (NCRECE) program of research is a series of experimental studies of specific approaches to training early childhood (EC) educators to be effective in implementation of curriculum and instructional interactions focused on promoting language and literacy skills, two domains that operate…

The Scale-Up Pre-K Mathematics project, was conducted at a customary program-wide level of scale in Head Start and state-funded preschool programs in California and Kentucky/Indiana. The objectives of this randomized field trial were twofold: (1) to determine whether the intervention, the Pre-K Mathematics curriculum, continues to be effective…

Over the past three years, the authors' team at Education Development Center, Inc. (EDC) has been researching a professional development program in science, "Foundations of Science Literacy" ("FSL"), for preschool lead and assistant Head Start teachers in Massachusetts and Rhode Island. Year 1 was a pilot year, so it is the…

The research reported in this paper is focused directly on assessing the validity of the "Teaching Knowledge about Reading and Reading Practices" (TKRRP) assessment. Following the recommendations of the Standards for Educational and Psychological Testing (APA/AERA, 1999), the authors see validation as a process of constructing an…