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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
Dougherty, Chrys; Shaw, Teresa – ACT, Inc., 2016
This report looks at student achievement levels in Arkansas school districts disaggregated by district poverty and by the district's performance relative to other districts. We estimated district performance statistics by subject and grade level (4, 8, and 11-12) for longitudinal student cohorts, using statistical models that adjusted for district…
Descriptors: Academic Achievement, School Districts, Poverty, Grade 4
Comparisons of Student Growth by District Performance and Poverty. ACT Research Report Series 2017-8
Dougherty, Chrys; Shaw, Teresa – ACT, Inc., 2017
This report looks at student growth in Arkansas school districts disaggregated by district poverty and by the district's value-added performance relative to other districts. We estimated district value-added performance statistics by subject and grade level (8 and 11-12) for longitudinal student cohorts, using statistical models that adjusted for…
Descriptors: Poverty, Value Added Models, School Districts, Instructional Program Divisions
Direct linkHedges, 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
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, forms…
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
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
