The What Works Clearinghouse (WWC) Standards Briefs explain the rules the WWC uses to evaluate the quality of studies for practitioners, researchers, and policymakers. Attrition (loss of sample) occurs when individuals initially included in a study are not included in the final study analysis. Attrition is a common issue in education research and…

The present paper, which is intended for a diverse audience of evaluation researchers, applied social scientists, and research funders, provides a broad overview of the conceptual and statistical issues involved in using multisite randomized trials to learn "about" and "from" variation in program effects across…

Community colleges serve more students than any other institutional type in the United States, and internationalization is an inherent component of community colleges that advances student knowledge, facilitates student success, and serves the needs of local communities. As most community college students do not enroll in four-year institutions,…

Programs that address the needs of low-income parents and children at the same time may hold promise for reducing the transmission of poverty across generations. Contemporary programs of this type address some key weaknesses that may have limited the effectiveness of earlier such approaches, including too little attention paid to the quality,…

This EEF guidance report reviews the best available research to offer schools and teachers four recommendations to support parental engagement in children's learning. Parents play a crucial role in supporting their children's learning, and levels of parental engagement are consistently associated with better academic outcomes. Evidence from our…

The purpose of this article is to critically review the literature on parent-implemented interventions aimed at promoting and enhancing the social and communicative behavior of young children with autism spectrum disorders. Twelve parent-implemented intervention studies that were conducted, at least in part, in home environments and were published…

This technical report and user's guide is designed to provide researchers with an overview of the design and implementation of the 2009 Program for International Student Assessment (PISA), as well as with information on how to access the PISA 2009 data. This information is meant to supplement that presented in Organization for Economic Cooperation…

This book fills a significant void in the research on ethnic minority cultural centers, offers the historic background to their establishment and development, considers the circumstances that led to their creation, examines the roles they play on campus, explores their impact on retention and campus climate, and provides guidelines for their…

This report seeks to raise awareness of the critical importance of chronic early absence, synthesize available data on the scope of the challenge, and share emerging insights about how schools and communities can use chronic early absence to identify and address challenges affecting the social, educational and physical well-being of children and…

This secondary analysis of the Early Head Start Research and Evaluation Project, a randomized study of program participation of children and families in Early Head Start (that is, enrolled in programming prior to children's first birthdays) investigated sociodemographic (race and ethnicity, income level, and maternal education level) and program…

Connections between youth activity involvement and indicators of successful development were examined in a longitudinal high school sample. Drawing on theories of expertise skill development (e.g., J. Cote, 1999); the selection, optimization, and compensation framework (P. B. Baltes, 1997); and theories of positive youth development (e.g., R. M.…

Identifies major issues in current research on child sexual-abuse prevention including the effectiveness of assessment methods, potential side-effects of prevention programs, the developmental appropriateness of programs, the differential effectiveness of presenters of prevention materials, parental involvement in sexual-abuse prevention efforts,…

Conjoint behavioral consultation (CBC) is an ecological model of service delivery that brings together parents and educators to collaboratively address shared concerns for a child. This study provides exploratory data investigating the effects of CBC on home and school concerns for 48 children aged 6 and younger. Single-subject methods were used…

Efficacy of a brief cognitive-affective intervention to enhance motivational readiness for participating in a psychoeducational decision-making conference was evaluated with 32 school-age children with possible learning disabilities. Although outcomes specific to the preconference intervention were not found, a positive relationship between…

A parent-conducted program of verbal response-contingent stimulation was effectively used to reduce stuttering to near zero levels in 12 children (younger than age 5). Treatments were completed in a median of 10.5 1-hour clinic sessions and 84.5 days. (Author/DB)