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Peer reviewed
Download full textHedberg, E. C.; Hedges, Larry – Society for Research on Educational Effectiveness, 2017
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…
Descriptors: Databases, Randomized Controlled Trials, Educational Research, Research Design
Direct linkSmith, Stephanie; Cunningham-Sabo, Leslie; Auld, Garry – Journal of Child Nutrition & Management, 2015
Purpose/Objectives: The purpose of this study was to determine middle school students' satisfaction with the school lunch experience, using two validated surveys; the Middle/Junior High School Student Participation Survey and the Middle/Junior High School Student Non-Participation Survey, both developed by the National Food Service Management…
Descriptors: Lunch Programs, Student Surveys, Middle School Students, Statistical Analysis
Hedges, Larry V.; Hedberg, E. C. – Evaluation Review, 2013
Background: Cluster-randomized experiments that assign intact groups such as schools or school districts to treatment conditions are increasingly common in educational research. Such experiments are inherently multilevel designs whose sensitivity (statistical power and precision of estimates) depends on the variance decomposition across levels.…
Descriptors: Correlation, Multivariate Analysis, Educational Experiments, Statistical Analysis
Vaughn, Sharon; Roberts, Greg; Reutebuch, Colleen – Society for Research on Educational Effectiveness, 2013
Collaborative Strategic Reading (CSR) is a multicomponent reading intervention aimed at improving students' text comprehension. Two 1-year randomized controlled trials were conducted to determine the efficacy of CSR with seventh and eighth grade students. The Year 2 replication study was identical to the original Year 1 study except that the…
Descriptors: Reading Strategies, Intervention, Reading Comprehension, Randomized Controlled Trials
National Center for Education Statistics, 2011
Guided by a new framework, the NAEP science assessment was updated in 2009 to keep the content current with key developments in science, curriculum standards, assessments, and research. The 2009 framework organizes science content into three broad content areas. Physical science includes concepts related to properties and changes of matter,…
Descriptors: Academic Achievement, Comparative Analysis, Curriculum Development, Ethnic Groups
National Center for Education Statistics, 2012
A representative sample of 122,000 eighth-graders participated in the 2011 National Assessment of Educational Progress (NAEP) science assessment, which is designed to measure students' knowledge and abilities in the areas of physical science, life science, and Earth and space sciences. This report covers the overall results, achievement level…
Descriptors: Achievement Gap, Comparative Analysis, Economic Status, Educational Assessment
Brown, Eric C.; Graham, John W.; Hawkins, J. David; Arthur, Michael W.; Baldwin, Megan M.; Oesterle, Sabrina; Briney, John S.; Catalano, Richard F.; Abbott, Robert D. – Evaluation Review, 2009
Communities That Care (CTC) is a prevention system designed to reduce adolescent substance use and delinquency through the selection of effective preventive interventions tailored to a community's specific profile of risk and protection. A community-randomized trial of CTC, the Community Youth Development Study, is currently being conducted in 24…
Descriptors: Longitudinal Studies, Cohort Analysis, Community Characteristics, Prevention
National Center for Education Statistics, 2011
Each state and jurisdiction that participated in the National Assessment of Educational Progress (NAEP) 2011 reading assessment receives a one-page snapshot report that presents key findings and trends in a condensed format. Overall results, achievement level percentages and average score results, comparison of the average score in 2011 to other…
Descriptors: Achievement Gains, Achievement Gap, Comparative Analysis, Economic Status
National Center for Education Statistics, 2011
Each state and jurisdiction that participated in the National Assessment of Educational Progress (NAEP) 2011 mathematics assessment receives a one-page snapshot report that presents key findings and trends in a condensed format. Overall results, achievement level percentages and average score results, comparison of the average score in 2011 to…
Descriptors: Achievement Gap, Comparative Analysis, Economic Status, Educational Assessment
National Center for Education Statistics, 2010
Each state and jurisdiction that participated in the National Assessment of Educational Progress (NAEP) 2009 reading assessment receives a one-page snapshot report that presents key findings and trends in a condensed format. Overall results, achievement level percentages and average score results, comparison of the average score in 2009 to other…
Descriptors: Achievement Gains, Achievement Gap, Comparative Analysis, Educational Assessment
