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Hedberg, 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
OECD Publishing, 2014
The "PISA 2012 Technical Report" describes the methodology underlying the PISA 2012 survey, which tested 15-year-olds' competencies in mathematics, reading and science and, in some countries, problem solving and financial literacy. It examines the design and implementation of the project at a level of detail that allows researchers to…
Descriptors: International Assessment, Secondary School Students, Foreign Countries, Achievement Tests
National Center for Education Statistics (ED), Washington, DC. – 2002
The Early Childhood Longitudinal Study (ECLS-K), Kindergarten Class of 1998-99, selected a nationally representative sample of approximately 22,000 kindergartners in the fall of 1998 and is following these children through the end of the fifth grade. Baseline data about these children, their families, and their kindergarten programs were collected…
Descriptors: Academic Achievement, Achievement Gains, Child Health, Data
National Center for Education Statistics (ED), Washington, DC. – 2001
The Early Childhood Longitudinal Study (ECLS-K), Kindergarten Class of 1998-99, selected a nationally representative sample of approximately 22,000 kindergartners in the fall of 1998 and is following these children through the end of the fifth grade. Baseline data about these children, their families, and their kindergarten programs were collected…
Descriptors: Academic Achievement, Achievement Gains, Child Health, Data
Sedlacek, Deborah Sherman – 1990
This report analyzes the overall mathematics achievement and its potential relationship to instructional activities. National Assessment of Educational Progress (NAEP) assessed the mathematics achievement in seven content areas, five of which were administered at all three grade levels included in the assessment. This report focuses on the five…
Descriptors: Computer Uses in Education, Databases, Educational Strategies, Elementary School Mathematics
Hackett, Eugene de G.; McManus, James V. – 1986
Educational services data contained in the Migrant Student Record Transfer System (MSRTS) database were used to examine some effects of the migrant education program on student performance, and how student performance varied with the amount and duration of exposure to general and particular program components. Problems with using the MSRTS…
Descriptors: Academic Achievement, Age Differences, Age Grade Placement, Comparative Analysis