The purpose of this paper is to showcase new research that seeks to provide guidance on the heterogeneity of treatment effects by utilizing the variance of demographic differences in state assessments. This study is focused on a simple randomized block design where students are nested within schools, and within each school students are randomized…

This article provides practical guidance for researchers who are designing studies that randomize groups to measure the impacts of educational interventions. The article (a) provides new empirical information about the values of parameters that influence the precision of impact estimates (intraclass correlations and R[superscript 2] values) and…

The study examined how the English reading performance of predominantly Spanish-speaking students in transitional bilingual education compared with the performance of predominantly Spanish-speaking students in structured English immersion. The study analyzed data on three cohorts of students in six schools in Los Angeles; Denver; Albuquerque; St.…

This study examined how general education teachers perceive the effectiveness of the Response to Intervention (RtI) approach to instruction in identifying students with learning disabilities early. The study also examined how these perceptions impact and influence general education teachers' ability to successfully implement RtI in the classroom.…

This project was designed to test Mayer's multimedia theory in an elementary school to improve students' mathematics learning for low-income children. The study designed and developed two multimedia mathematics experiments in 3rd grade: 9's multiplication experiment and geometric solids experiment. The two experimental lessons were implemented in…

This project describes a 12-week program developed to improve student spelling of high frequency words for transfer in written work across the curriculum. The targeted population consists of kindergarten, first, and third graders in two public elementary schools in a community located in central Illinois. Following an extensive literature review,…

Social promotion has long been the normal practice in American schools. Critics of this practice, whereby students are promoted to the next grade regardless of academic preparation, have suggested that students would benefit academically if they were made to repeat a grade. Supporters of social promotion claim that retaining students disrupts them…

Any voucher program that is going to have a major impact on a public education system is likely to require an expansion of private schools in order to accommodate increased demand; however, little is known about where private schools open and therefore how a major voucher program might affect private school availability in various communities.…